diff --git a/flyteidl/clients/go/assets/admin.swagger.json b/flyteidl/clients/go/assets/admin.swagger.json
index bcaf46928b..9c6671fb89 100644
--- a/flyteidl/clients/go/assets/admin.swagger.json
+++ b/flyteidl/clients/go/assets/admin.swagger.json
@@ -5027,6 +5027,14 @@
         "execution_cluster_label": {
           "$ref": "#/definitions/adminExecutionClusterLabel",
           "description": "Execution cluster label to be set for the execution."
+        },
+        "execution_env_assignments": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/coreExecutionEnvAssignment"
+          },
+          "description": "Execution environment assignments to be set for the execution."
         }
       },
       "description": "An ExecutionSpec encompasses all data used to launch this execution. The Spec does not change over the lifetime\nof an execution as it progresses across phase changes."
@@ -5295,6 +5303,14 @@
         "envs": {
           "$ref": "#/definitions/adminEnvs",
           "description": "Environment variables to be set for the execution."
+        },
+        "execution_env_assignments": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/coreExecutionEnvAssignment"
+          },
+          "description": "Execution environment assignments to be set for the execution."
         }
       },
       "description": "User-provided launch plan definition and configuration values."
@@ -6357,6 +6373,14 @@
         "envs": {
           "$ref": "#/definitions/adminEnvs",
           "description": "Environment variables to be set for the execution."
+        },
+        "execution_env_assignments": {
+          "type": "array",
+          "items": {
+            "type": "object",
+            "$ref": "#/definitions/coreExecutionEnvAssignment"
+          },
+          "description": "Execution environment assignments to be set for the execution."
         }
       },
       "description": "Adds defaults for customizable workflow-execution specifications and overrides."
@@ -7014,6 +7038,49 @@
       },
       "description": "Represents an error thrown from a node."
     },
+    "coreExecutionEnv": {
+      "type": "object",
+      "properties": {
+        "id": {
+          "type": "string",
+          "description": "id is a unique identifier for the execution environment."
+        },
+        "type": {
+          "type": "string",
+          "description": "type is the type of the execution environment."
+        },
+        "extant": {
+          "type": "object",
+          "description": "extant is a reference to an existing environment."
+        },
+        "spec": {
+          "type": "object",
+          "description": "spec is a specification of the environment."
+        }
+      },
+      "description": "ExecutionEnv is a message that is used to specify the execution environment."
+    },
+    "coreExecutionEnvAssignment": {
+      "type": "object",
+      "properties": {
+        "node_ids": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          },
+          "description": "node_ids is a list of node ids that are being assigned the execution environment."
+        },
+        "task_type": {
+          "type": "string",
+          "description": "task_type is the type of task that is being assigned. This is used to override which Flyte\nplugin will be used during execution."
+        },
+        "execution_env": {
+          "$ref": "#/definitions/coreExecutionEnv",
+          "description": "execution_env is the environment that is being assigned to the nodes."
+        }
+      },
+      "description": "ExecutionEnvAssignment is a message that is used to assign an execution environment to a set of\nnodes."
+    },
     "coreExecutionError": {
       "type": "object",
       "properties": {
@@ -7204,6 +7271,14 @@
         }
       }
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreK8sObjectMetadata": {
       "type": "object",
       "properties": {
@@ -7795,6 +7870,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -7890,7 +7968,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-es/flyteidl/core/literals_pb.ts b/flyteidl/gen/pb-es/flyteidl/core/literals_pb.ts
index 6cf6b07ca2..cf11847639 100644
--- a/flyteidl/gen/pb-es/flyteidl/core/literals_pb.ts
+++ b/flyteidl/gen/pb-es/flyteidl/core/literals_pb.ts
@@ -253,6 +253,43 @@ export class Binary extends Message<Binary> {
   }
 }
 
+/**
+ * @generated from message flyteidl.core.Json
+ */
+export class Json extends Message<Json> {
+  /**
+   * @generated from field: string value = 1;
+   */
+  value = "";
+
+  constructor(data?: PartialMessage<Json>) {
+    super();
+    proto3.util.initPartial(data, this);
+  }
+
+  static readonly runtime: typeof proto3 = proto3;
+  static readonly typeName = "flyteidl.core.Json";
+  static readonly fields: FieldList = proto3.util.newFieldList(() => [
+    { no: 1, name: "value", kind: "scalar", T: 9 /* ScalarType.STRING */ },
+  ]);
+
+  static fromBinary(bytes: Uint8Array, options?: Partial<BinaryReadOptions>): Json {
+    return new Json().fromBinary(bytes, options);
+  }
+
+  static fromJson(jsonValue: JsonValue, options?: Partial<JsonReadOptions>): Json {
+    return new Json().fromJson(jsonValue, options);
+  }
+
+  static fromJsonString(jsonString: string, options?: Partial<JsonReadOptions>): Json {
+    return new Json().fromJsonString(jsonString, options);
+  }
+
+  static equals(a: Json | PlainMessage<Json> | undefined, b: Json | PlainMessage<Json> | undefined): boolean {
+    return proto3.util.equals(Json, a, b);
+  }
+}
+
 /**
  * A strongly typed schema that defines the interface of data retrieved from the underlying storage medium.
  *
@@ -495,6 +532,12 @@ export class Scalar extends Message<Scalar> {
      */
     value: Union;
     case: "union";
+  } | {
+    /**
+     * @generated from field: flyteidl.core.Json json = 10;
+     */
+    value: Json;
+    case: "json";
   } | { case: undefined; value?: undefined } = { case: undefined };
 
   constructor(data?: PartialMessage<Scalar>) {
@@ -514,6 +557,7 @@ export class Scalar extends Message<Scalar> {
     { no: 7, name: "generic", kind: "message", T: Struct, oneof: "value" },
     { no: 8, name: "structured_dataset", kind: "message", T: StructuredDataset, oneof: "value" },
     { no: 9, name: "union", kind: "message", T: Union, oneof: "value" },
+    { no: 10, name: "json", kind: "message", T: Json, oneof: "value" },
   ]);
 
   static fromBinary(bytes: Uint8Array, options?: Partial<BinaryReadOptions>): Scalar {
diff --git a/flyteidl/gen/pb-es/flyteidl/core/types_pb.ts b/flyteidl/gen/pb-es/flyteidl/core/types_pb.ts
index f311fa0692..35b4312dab 100644
--- a/flyteidl/gen/pb-es/flyteidl/core/types_pb.ts
+++ b/flyteidl/gen/pb-es/flyteidl/core/types_pb.ts
@@ -61,6 +61,11 @@ export enum SimpleType {
    * @generated from enum value: STRUCT = 9;
    */
   STRUCT = 9,
+
+  /**
+   * @generated from enum value: JSON = 10;
+   */
+  JSON = 10,
 }
 // Retrieve enum metadata with: proto3.getEnumType(SimpleType)
 proto3.util.setEnumType(SimpleType, "flyteidl.core.SimpleType", [
@@ -74,6 +79,7 @@ proto3.util.setEnumType(SimpleType, "flyteidl.core.SimpleType", [
   { no: 7, name: "BINARY" },
   { no: 8, name: "ERROR" },
   { no: 9, name: "STRUCT" },
+  { no: 10, name: "JSON" },
 ]);
 
 /**
diff --git a/flyteidl/gen/pb-go/flyteidl/core/literals.pb.go b/flyteidl/gen/pb-go/flyteidl/core/literals.pb.go
index 40b24e30a5..a86400b965 100644
--- a/flyteidl/gen/pb-go/flyteidl/core/literals.pb.go
+++ b/flyteidl/gen/pb-go/flyteidl/core/literals.pb.go
@@ -365,6 +365,53 @@ func (x *Binary) GetTag() string {
 	return ""
 }
 
+type Json struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Value string `protobuf:"bytes,1,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *Json) Reset() {
+	*x = Json{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_flyteidl_core_literals_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Json) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Json) ProtoMessage() {}
+
+func (x *Json) ProtoReflect() protoreflect.Message {
+	mi := &file_flyteidl_core_literals_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Json.ProtoReflect.Descriptor instead.
+func (*Json) Descriptor() ([]byte, []int) {
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *Json) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
 // A strongly typed schema that defines the interface of data retrieved from the underlying storage medium.
 type Schema struct {
 	state         protoimpl.MessageState
@@ -378,7 +425,7 @@ type Schema struct {
 func (x *Schema) Reset() {
 	*x = Schema{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[5]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -391,7 +438,7 @@ func (x *Schema) String() string {
 func (*Schema) ProtoMessage() {}
 
 func (x *Schema) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[5]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -404,7 +451,7 @@ func (x *Schema) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Schema.ProtoReflect.Descriptor instead.
 func (*Schema) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{5}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Schema) GetUri() string {
@@ -434,7 +481,7 @@ type Union struct {
 func (x *Union) Reset() {
 	*x = Union{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[6]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -447,7 +494,7 @@ func (x *Union) String() string {
 func (*Union) ProtoMessage() {}
 
 func (x *Union) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[6]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -460,7 +507,7 @@ func (x *Union) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Union.ProtoReflect.Descriptor instead.
 func (*Union) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{6}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *Union) GetValue() *Literal {
@@ -495,7 +542,7 @@ type StructuredDatasetMetadata struct {
 func (x *StructuredDatasetMetadata) Reset() {
 	*x = StructuredDatasetMetadata{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[7]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -508,7 +555,7 @@ func (x *StructuredDatasetMetadata) String() string {
 func (*StructuredDatasetMetadata) ProtoMessage() {}
 
 func (x *StructuredDatasetMetadata) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[7]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -521,7 +568,7 @@ func (x *StructuredDatasetMetadata) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StructuredDatasetMetadata.ProtoReflect.Descriptor instead.
 func (*StructuredDatasetMetadata) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{7}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *StructuredDatasetMetadata) GetStructuredDatasetType() *StructuredDatasetType {
@@ -545,7 +592,7 @@ type StructuredDataset struct {
 func (x *StructuredDataset) Reset() {
 	*x = StructuredDataset{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[8]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -558,7 +605,7 @@ func (x *StructuredDataset) String() string {
 func (*StructuredDataset) ProtoMessage() {}
 
 func (x *StructuredDataset) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[8]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -571,7 +618,7 @@ func (x *StructuredDataset) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StructuredDataset.ProtoReflect.Descriptor instead.
 func (*StructuredDataset) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{8}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *StructuredDataset) GetUri() string {
@@ -604,13 +651,14 @@ type Scalar struct {
 	//	*Scalar_Generic
 	//	*Scalar_StructuredDataset
 	//	*Scalar_Union
+	//	*Scalar_Json
 	Value isScalar_Value `protobuf_oneof:"value"`
 }
 
 func (x *Scalar) Reset() {
 	*x = Scalar{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[9]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -623,7 +671,7 @@ func (x *Scalar) String() string {
 func (*Scalar) ProtoMessage() {}
 
 func (x *Scalar) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[9]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -636,7 +684,7 @@ func (x *Scalar) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Scalar.ProtoReflect.Descriptor instead.
 func (*Scalar) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{9}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{10}
 }
 
 func (m *Scalar) GetValue() isScalar_Value {
@@ -709,6 +757,13 @@ func (x *Scalar) GetUnion() *Union {
 	return nil
 }
 
+func (x *Scalar) GetJson() *Json {
+	if x, ok := x.GetValue().(*Scalar_Json); ok {
+		return x.Json
+	}
+	return nil
+}
+
 type isScalar_Value interface {
 	isScalar_Value()
 }
@@ -749,6 +804,10 @@ type Scalar_Union struct {
 	Union *Union `protobuf:"bytes,9,opt,name=union,proto3,oneof"`
 }
 
+type Scalar_Json struct {
+	Json *Json `protobuf:"bytes,10,opt,name=json,proto3,oneof"`
+}
+
 func (*Scalar_Primitive) isScalar_Value() {}
 
 func (*Scalar_Blob) isScalar_Value() {}
@@ -767,6 +826,8 @@ func (*Scalar_StructuredDataset) isScalar_Value() {}
 
 func (*Scalar_Union) isScalar_Value() {}
 
+func (*Scalar_Json) isScalar_Value() {}
+
 // A simple value. This supports any level of nesting (e.g. array of array of array of Blobs) as well as simple primitives.
 type Literal struct {
 	state         protoimpl.MessageState
@@ -790,7 +851,7 @@ type Literal struct {
 func (x *Literal) Reset() {
 	*x = Literal{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[10]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -803,7 +864,7 @@ func (x *Literal) String() string {
 func (*Literal) ProtoMessage() {}
 
 func (x *Literal) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[10]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -816,7 +877,7 @@ func (x *Literal) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Literal.ProtoReflect.Descriptor instead.
 func (*Literal) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{10}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{11}
 }
 
 func (m *Literal) GetValue() isLiteral_Value {
@@ -898,7 +959,7 @@ type LiteralCollection struct {
 func (x *LiteralCollection) Reset() {
 	*x = LiteralCollection{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[11]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -911,7 +972,7 @@ func (x *LiteralCollection) String() string {
 func (*LiteralCollection) ProtoMessage() {}
 
 func (x *LiteralCollection) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[11]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -924,7 +985,7 @@ func (x *LiteralCollection) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LiteralCollection.ProtoReflect.Descriptor instead.
 func (*LiteralCollection) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{11}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *LiteralCollection) GetLiterals() []*Literal {
@@ -946,7 +1007,7 @@ type LiteralMap struct {
 func (x *LiteralMap) Reset() {
 	*x = LiteralMap{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[12]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -959,7 +1020,7 @@ func (x *LiteralMap) String() string {
 func (*LiteralMap) ProtoMessage() {}
 
 func (x *LiteralMap) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[12]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -972,7 +1033,7 @@ func (x *LiteralMap) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LiteralMap.ProtoReflect.Descriptor instead.
 func (*LiteralMap) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{12}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *LiteralMap) GetLiterals() map[string]*Literal {
@@ -994,7 +1055,7 @@ type BindingDataCollection struct {
 func (x *BindingDataCollection) Reset() {
 	*x = BindingDataCollection{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[13]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1007,7 +1068,7 @@ func (x *BindingDataCollection) String() string {
 func (*BindingDataCollection) ProtoMessage() {}
 
 func (x *BindingDataCollection) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[13]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1020,7 +1081,7 @@ func (x *BindingDataCollection) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BindingDataCollection.ProtoReflect.Descriptor instead.
 func (*BindingDataCollection) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{13}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *BindingDataCollection) GetBindings() []*BindingData {
@@ -1042,7 +1103,7 @@ type BindingDataMap struct {
 func (x *BindingDataMap) Reset() {
 	*x = BindingDataMap{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[14]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1055,7 +1116,7 @@ func (x *BindingDataMap) String() string {
 func (*BindingDataMap) ProtoMessage() {}
 
 func (x *BindingDataMap) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[14]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1068,7 +1129,7 @@ func (x *BindingDataMap) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BindingDataMap.ProtoReflect.Descriptor instead.
 func (*BindingDataMap) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{14}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *BindingDataMap) GetBindings() map[string]*BindingData {
@@ -1089,7 +1150,7 @@ type UnionInfo struct {
 func (x *UnionInfo) Reset() {
 	*x = UnionInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[15]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1102,7 +1163,7 @@ func (x *UnionInfo) String() string {
 func (*UnionInfo) ProtoMessage() {}
 
 func (x *UnionInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[15]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1115,7 +1176,7 @@ func (x *UnionInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UnionInfo.ProtoReflect.Descriptor instead.
 func (*UnionInfo) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{15}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *UnionInfo) GetTargetType() *LiteralType {
@@ -1144,7 +1205,7 @@ type BindingData struct {
 func (x *BindingData) Reset() {
 	*x = BindingData{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[16]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1157,7 +1218,7 @@ func (x *BindingData) String() string {
 func (*BindingData) ProtoMessage() {}
 
 func (x *BindingData) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[16]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1170,7 +1231,7 @@ func (x *BindingData) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use BindingData.ProtoReflect.Descriptor instead.
 func (*BindingData) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{16}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{17}
 }
 
 func (m *BindingData) GetValue() isBindingData_Value {
@@ -1263,7 +1324,7 @@ type Binding struct {
 func (x *Binding) Reset() {
 	*x = Binding{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[17]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1276,7 +1337,7 @@ func (x *Binding) String() string {
 func (*Binding) ProtoMessage() {}
 
 func (x *Binding) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[17]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1289,7 +1350,7 @@ func (x *Binding) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Binding.ProtoReflect.Descriptor instead.
 func (*Binding) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{17}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *Binding) GetVar() string {
@@ -1321,7 +1382,7 @@ type KeyValuePair struct {
 func (x *KeyValuePair) Reset() {
 	*x = KeyValuePair{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[18]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1334,7 +1395,7 @@ func (x *KeyValuePair) String() string {
 func (*KeyValuePair) ProtoMessage() {}
 
 func (x *KeyValuePair) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[18]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1347,7 +1408,7 @@ func (x *KeyValuePair) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KeyValuePair.ProtoReflect.Descriptor instead.
 func (*KeyValuePair) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{18}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *KeyValuePair) GetKey() string {
@@ -1378,7 +1439,7 @@ type RetryStrategy struct {
 func (x *RetryStrategy) Reset() {
 	*x = RetryStrategy{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_flyteidl_core_literals_proto_msgTypes[19]
+		mi := &file_flyteidl_core_literals_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1391,7 +1452,7 @@ func (x *RetryStrategy) String() string {
 func (*RetryStrategy) ProtoMessage() {}
 
 func (x *RetryStrategy) ProtoReflect() protoreflect.Message {
-	mi := &file_flyteidl_core_literals_proto_msgTypes[19]
+	mi := &file_flyteidl_core_literals_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1404,7 +1465,7 @@ func (x *RetryStrategy) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RetryStrategy.ProtoReflect.Descriptor instead.
 func (*RetryStrategy) Descriptor() ([]byte, []int) {
-	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{19}
+	return file_flyteidl_core_literals_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *RetryStrategy) GetRetries() uint32 {
@@ -1456,163 +1517,168 @@ var file_flyteidl_core_literals_proto_rawDesc = []byte{
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+	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1627,82 +1693,84 @@ func file_flyteidl_core_literals_proto_rawDescGZIP() []byte {
 	return file_flyteidl_core_literals_proto_rawDescData
 }
 
-var file_flyteidl_core_literals_proto_msgTypes = make([]protoimpl.MessageInfo, 23)
+var file_flyteidl_core_literals_proto_msgTypes = make([]protoimpl.MessageInfo, 24)
 var file_flyteidl_core_literals_proto_goTypes = []interface{}{
 	(*Primitive)(nil),                 // 0: flyteidl.core.Primitive
 	(*Void)(nil),                      // 1: flyteidl.core.Void
 	(*Blob)(nil),                      // 2: flyteidl.core.Blob
 	(*BlobMetadata)(nil),              // 3: flyteidl.core.BlobMetadata
 	(*Binary)(nil),                    // 4: flyteidl.core.Binary
-	(*Schema)(nil),                    // 5: flyteidl.core.Schema
-	(*Union)(nil),                     // 6: flyteidl.core.Union
-	(*StructuredDatasetMetadata)(nil), // 7: flyteidl.core.StructuredDatasetMetadata
-	(*StructuredDataset)(nil),         // 8: flyteidl.core.StructuredDataset
-	(*Scalar)(nil),                    // 9: flyteidl.core.Scalar
-	(*Literal)(nil),                   // 10: flyteidl.core.Literal
-	(*LiteralCollection)(nil),         // 11: flyteidl.core.LiteralCollection
-	(*LiteralMap)(nil),                // 12: flyteidl.core.LiteralMap
-	(*BindingDataCollection)(nil),     // 13: flyteidl.core.BindingDataCollection
-	(*BindingDataMap)(nil),            // 14: flyteidl.core.BindingDataMap
-	(*UnionInfo)(nil),                 // 15: flyteidl.core.UnionInfo
-	(*BindingData)(nil),               // 16: flyteidl.core.BindingData
-	(*Binding)(nil),                   // 17: flyteidl.core.Binding
-	(*KeyValuePair)(nil),              // 18: flyteidl.core.KeyValuePair
-	(*RetryStrategy)(nil),             // 19: flyteidl.core.RetryStrategy
-	nil,                               // 20: flyteidl.core.Literal.MetadataEntry
-	nil,                               // 21: flyteidl.core.LiteralMap.LiteralsEntry
-	nil,                               // 22: flyteidl.core.BindingDataMap.BindingsEntry
-	(*timestamppb.Timestamp)(nil),     // 23: google.protobuf.Timestamp
-	(*durationpb.Duration)(nil),       // 24: google.protobuf.Duration
-	(*BlobType)(nil),                  // 25: flyteidl.core.BlobType
-	(*SchemaType)(nil),                // 26: flyteidl.core.SchemaType
-	(*LiteralType)(nil),               // 27: flyteidl.core.LiteralType
-	(*StructuredDatasetType)(nil),     // 28: flyteidl.core.StructuredDatasetType
-	(*Error)(nil),                     // 29: flyteidl.core.Error
-	(*structpb.Struct)(nil),           // 30: google.protobuf.Struct
-	(*OutputReference)(nil),           // 31: flyteidl.core.OutputReference
+	(*Json)(nil),                      // 5: flyteidl.core.Json
+	(*Schema)(nil),                    // 6: flyteidl.core.Schema
+	(*Union)(nil),                     // 7: flyteidl.core.Union
+	(*StructuredDatasetMetadata)(nil), // 8: flyteidl.core.StructuredDatasetMetadata
+	(*StructuredDataset)(nil),         // 9: flyteidl.core.StructuredDataset
+	(*Scalar)(nil),                    // 10: flyteidl.core.Scalar
+	(*Literal)(nil),                   // 11: flyteidl.core.Literal
+	(*LiteralCollection)(nil),         // 12: flyteidl.core.LiteralCollection
+	(*LiteralMap)(nil),                // 13: flyteidl.core.LiteralMap
+	(*BindingDataCollection)(nil),     // 14: flyteidl.core.BindingDataCollection
+	(*BindingDataMap)(nil),            // 15: flyteidl.core.BindingDataMap
+	(*UnionInfo)(nil),                 // 16: flyteidl.core.UnionInfo
+	(*BindingData)(nil),               // 17: flyteidl.core.BindingData
+	(*Binding)(nil),                   // 18: flyteidl.core.Binding
+	(*KeyValuePair)(nil),              // 19: flyteidl.core.KeyValuePair
+	(*RetryStrategy)(nil),             // 20: flyteidl.core.RetryStrategy
+	nil,                               // 21: flyteidl.core.Literal.MetadataEntry
+	nil,                               // 22: flyteidl.core.LiteralMap.LiteralsEntry
+	nil,                               // 23: flyteidl.core.BindingDataMap.BindingsEntry
+	(*timestamppb.Timestamp)(nil),     // 24: google.protobuf.Timestamp
+	(*durationpb.Duration)(nil),       // 25: google.protobuf.Duration
+	(*BlobType)(nil),                  // 26: flyteidl.core.BlobType
+	(*SchemaType)(nil),                // 27: flyteidl.core.SchemaType
+	(*LiteralType)(nil),               // 28: flyteidl.core.LiteralType
+	(*StructuredDatasetType)(nil),     // 29: flyteidl.core.StructuredDatasetType
+	(*Error)(nil),                     // 30: flyteidl.core.Error
+	(*structpb.Struct)(nil),           // 31: google.protobuf.Struct
+	(*OutputReference)(nil),           // 32: flyteidl.core.OutputReference
 }
 var file_flyteidl_core_literals_proto_depIdxs = []int32{
-	23, // 0: flyteidl.core.Primitive.datetime:type_name -> google.protobuf.Timestamp
-	24, // 1: flyteidl.core.Primitive.duration:type_name -> google.protobuf.Duration
+	24, // 0: flyteidl.core.Primitive.datetime:type_name -> google.protobuf.Timestamp
+	25, // 1: flyteidl.core.Primitive.duration:type_name -> google.protobuf.Duration
 	3,  // 2: flyteidl.core.Blob.metadata:type_name -> flyteidl.core.BlobMetadata
-	25, // 3: flyteidl.core.BlobMetadata.type:type_name -> flyteidl.core.BlobType
-	26, // 4: flyteidl.core.Schema.type:type_name -> flyteidl.core.SchemaType
-	10, // 5: flyteidl.core.Union.value:type_name -> flyteidl.core.Literal
-	27, // 6: flyteidl.core.Union.type:type_name -> flyteidl.core.LiteralType
-	28, // 7: flyteidl.core.StructuredDatasetMetadata.structured_dataset_type:type_name -> flyteidl.core.StructuredDatasetType
-	7,  // 8: flyteidl.core.StructuredDataset.metadata:type_name -> flyteidl.core.StructuredDatasetMetadata
+	26, // 3: flyteidl.core.BlobMetadata.type:type_name -> flyteidl.core.BlobType
+	27, // 4: flyteidl.core.Schema.type:type_name -> flyteidl.core.SchemaType
+	11, // 5: flyteidl.core.Union.value:type_name -> flyteidl.core.Literal
+	28, // 6: flyteidl.core.Union.type:type_name -> flyteidl.core.LiteralType
+	29, // 7: flyteidl.core.StructuredDatasetMetadata.structured_dataset_type:type_name -> flyteidl.core.StructuredDatasetType
+	8,  // 8: flyteidl.core.StructuredDataset.metadata:type_name -> flyteidl.core.StructuredDatasetMetadata
 	0,  // 9: flyteidl.core.Scalar.primitive:type_name -> flyteidl.core.Primitive
 	2,  // 10: flyteidl.core.Scalar.blob:type_name -> flyteidl.core.Blob
 	4,  // 11: flyteidl.core.Scalar.binary:type_name -> flyteidl.core.Binary
-	5,  // 12: flyteidl.core.Scalar.schema:type_name -> flyteidl.core.Schema
+	6,  // 12: flyteidl.core.Scalar.schema:type_name -> flyteidl.core.Schema
 	1,  // 13: flyteidl.core.Scalar.none_type:type_name -> flyteidl.core.Void
-	29, // 14: flyteidl.core.Scalar.error:type_name -> flyteidl.core.Error
-	30, // 15: flyteidl.core.Scalar.generic:type_name -> google.protobuf.Struct
-	8,  // 16: flyteidl.core.Scalar.structured_dataset:type_name -> flyteidl.core.StructuredDataset
-	6,  // 17: flyteidl.core.Scalar.union:type_name -> flyteidl.core.Union
-	9,  // 18: flyteidl.core.Literal.scalar:type_name -> flyteidl.core.Scalar
-	11, // 19: flyteidl.core.Literal.collection:type_name -> flyteidl.core.LiteralCollection
-	12, // 20: flyteidl.core.Literal.map:type_name -> flyteidl.core.LiteralMap
-	20, // 21: flyteidl.core.Literal.metadata:type_name -> flyteidl.core.Literal.MetadataEntry
-	10, // 22: flyteidl.core.LiteralCollection.literals:type_name -> flyteidl.core.Literal
-	21, // 23: flyteidl.core.LiteralMap.literals:type_name -> flyteidl.core.LiteralMap.LiteralsEntry
-	16, // 24: flyteidl.core.BindingDataCollection.bindings:type_name -> flyteidl.core.BindingData
-	22, // 25: flyteidl.core.BindingDataMap.bindings:type_name -> flyteidl.core.BindingDataMap.BindingsEntry
-	27, // 26: flyteidl.core.UnionInfo.targetType:type_name -> flyteidl.core.LiteralType
-	9,  // 27: flyteidl.core.BindingData.scalar:type_name -> flyteidl.core.Scalar
-	13, // 28: flyteidl.core.BindingData.collection:type_name -> flyteidl.core.BindingDataCollection
-	31, // 29: flyteidl.core.BindingData.promise:type_name -> flyteidl.core.OutputReference
-	14, // 30: flyteidl.core.BindingData.map:type_name -> flyteidl.core.BindingDataMap
-	15, // 31: flyteidl.core.BindingData.union:type_name -> flyteidl.core.UnionInfo
-	16, // 32: flyteidl.core.Binding.binding:type_name -> flyteidl.core.BindingData
-	10, // 33: flyteidl.core.LiteralMap.LiteralsEntry.value:type_name -> flyteidl.core.Literal
-	16, // 34: flyteidl.core.BindingDataMap.BindingsEntry.value:type_name -> flyteidl.core.BindingData
-	35, // [35:35] is the sub-list for method output_type
-	35, // [35:35] is the sub-list for method input_type
-	35, // [35:35] is the sub-list for extension type_name
-	35, // [35:35] is the sub-list for extension extendee
-	0,  // [0:35] is the sub-list for field type_name
+	30, // 14: flyteidl.core.Scalar.error:type_name -> flyteidl.core.Error
+	31, // 15: flyteidl.core.Scalar.generic:type_name -> google.protobuf.Struct
+	9,  // 16: flyteidl.core.Scalar.structured_dataset:type_name -> flyteidl.core.StructuredDataset
+	7,  // 17: flyteidl.core.Scalar.union:type_name -> flyteidl.core.Union
+	5,  // 18: flyteidl.core.Scalar.json:type_name -> flyteidl.core.Json
+	10, // 19: flyteidl.core.Literal.scalar:type_name -> flyteidl.core.Scalar
+	12, // 20: flyteidl.core.Literal.collection:type_name -> flyteidl.core.LiteralCollection
+	13, // 21: flyteidl.core.Literal.map:type_name -> flyteidl.core.LiteralMap
+	21, // 22: flyteidl.core.Literal.metadata:type_name -> flyteidl.core.Literal.MetadataEntry
+	11, // 23: flyteidl.core.LiteralCollection.literals:type_name -> flyteidl.core.Literal
+	22, // 24: flyteidl.core.LiteralMap.literals:type_name -> flyteidl.core.LiteralMap.LiteralsEntry
+	17, // 25: flyteidl.core.BindingDataCollection.bindings:type_name -> flyteidl.core.BindingData
+	23, // 26: flyteidl.core.BindingDataMap.bindings:type_name -> flyteidl.core.BindingDataMap.BindingsEntry
+	28, // 27: flyteidl.core.UnionInfo.targetType:type_name -> flyteidl.core.LiteralType
+	10, // 28: flyteidl.core.BindingData.scalar:type_name -> flyteidl.core.Scalar
+	14, // 29: flyteidl.core.BindingData.collection:type_name -> flyteidl.core.BindingDataCollection
+	32, // 30: flyteidl.core.BindingData.promise:type_name -> flyteidl.core.OutputReference
+	15, // 31: flyteidl.core.BindingData.map:type_name -> flyteidl.core.BindingDataMap
+	16, // 32: flyteidl.core.BindingData.union:type_name -> flyteidl.core.UnionInfo
+	17, // 33: flyteidl.core.Binding.binding:type_name -> flyteidl.core.BindingData
+	11, // 34: flyteidl.core.LiteralMap.LiteralsEntry.value:type_name -> flyteidl.core.Literal
+	17, // 35: flyteidl.core.BindingDataMap.BindingsEntry.value:type_name -> flyteidl.core.BindingData
+	36, // [36:36] is the sub-list for method output_type
+	36, // [36:36] is the sub-list for method input_type
+	36, // [36:36] is the sub-list for extension type_name
+	36, // [36:36] is the sub-list for extension extendee
+	0,  // [0:36] is the sub-list for field type_name
 }
 
 func init() { file_flyteidl_core_literals_proto_init() }
@@ -1773,7 +1841,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Schema); i {
+			switch v := v.(*Json); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1785,7 +1853,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Union); i {
+			switch v := v.(*Schema); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1797,7 +1865,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StructuredDatasetMetadata); i {
+			switch v := v.(*Union); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1809,7 +1877,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StructuredDataset); i {
+			switch v := v.(*StructuredDatasetMetadata); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1821,7 +1889,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Scalar); i {
+			switch v := v.(*StructuredDataset); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1833,7 +1901,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Literal); i {
+			switch v := v.(*Scalar); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1845,7 +1913,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LiteralCollection); i {
+			switch v := v.(*Literal); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1857,7 +1925,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LiteralMap); i {
+			switch v := v.(*LiteralCollection); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1869,7 +1937,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BindingDataCollection); i {
+			switch v := v.(*LiteralMap); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1881,7 +1949,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BindingDataMap); i {
+			switch v := v.(*BindingDataCollection); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1893,7 +1961,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*UnionInfo); i {
+			switch v := v.(*BindingDataMap); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1905,7 +1973,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*BindingData); i {
+			switch v := v.(*UnionInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1917,7 +1985,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Binding); i {
+			switch v := v.(*BindingData); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1929,7 +1997,7 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KeyValuePair); i {
+			switch v := v.(*Binding); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1941,6 +2009,18 @@ func file_flyteidl_core_literals_proto_init() {
 			}
 		}
 		file_flyteidl_core_literals_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*KeyValuePair); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_flyteidl_core_literals_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RetryStrategy); i {
 			case 0:
 				return &v.state
@@ -1961,7 +2041,7 @@ func file_flyteidl_core_literals_proto_init() {
 		(*Primitive_Datetime)(nil),
 		(*Primitive_Duration)(nil),
 	}
-	file_flyteidl_core_literals_proto_msgTypes[9].OneofWrappers = []interface{}{
+	file_flyteidl_core_literals_proto_msgTypes[10].OneofWrappers = []interface{}{
 		(*Scalar_Primitive)(nil),
 		(*Scalar_Blob)(nil),
 		(*Scalar_Binary)(nil),
@@ -1971,13 +2051,14 @@ func file_flyteidl_core_literals_proto_init() {
 		(*Scalar_Generic)(nil),
 		(*Scalar_StructuredDataset)(nil),
 		(*Scalar_Union)(nil),
+		(*Scalar_Json)(nil),
 	}
-	file_flyteidl_core_literals_proto_msgTypes[10].OneofWrappers = []interface{}{
+	file_flyteidl_core_literals_proto_msgTypes[11].OneofWrappers = []interface{}{
 		(*Literal_Scalar)(nil),
 		(*Literal_Collection)(nil),
 		(*Literal_Map)(nil),
 	}
-	file_flyteidl_core_literals_proto_msgTypes[16].OneofWrappers = []interface{}{
+	file_flyteidl_core_literals_proto_msgTypes[17].OneofWrappers = []interface{}{
 		(*BindingData_Scalar)(nil),
 		(*BindingData_Collection)(nil),
 		(*BindingData_Promise)(nil),
@@ -1989,7 +2070,7 @@ func file_flyteidl_core_literals_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_flyteidl_core_literals_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   23,
+			NumMessages:   24,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/flyteidl/gen/pb-go/flyteidl/core/types.pb.go b/flyteidl/gen/pb-go/flyteidl/core/types.pb.go
index b844e951c9..341eb063c9 100644
--- a/flyteidl/gen/pb-go/flyteidl/core/types.pb.go
+++ b/flyteidl/gen/pb-go/flyteidl/core/types.pb.go
@@ -35,21 +35,23 @@ const (
 	SimpleType_BINARY   SimpleType = 7
 	SimpleType_ERROR    SimpleType = 8
 	SimpleType_STRUCT   SimpleType = 9
+	SimpleType_JSON     SimpleType = 10
 )
 
 // Enum value maps for SimpleType.
 var (
 	SimpleType_name = map[int32]string{
-		0: "NONE",
-		1: "INTEGER",
-		2: "FLOAT",
-		3: "STRING",
-		4: "BOOLEAN",
-		5: "DATETIME",
-		6: "DURATION",
-		7: "BINARY",
-		8: "ERROR",
-		9: "STRUCT",
+		0:  "NONE",
+		1:  "INTEGER",
+		2:  "FLOAT",
+		3:  "STRING",
+		4:  "BOOLEAN",
+		5:  "DATETIME",
+		6:  "DURATION",
+		7:  "BINARY",
+		8:  "ERROR",
+		9:  "STRUCT",
+		10: "JSON",
 	}
 	SimpleType_value = map[string]int32{
 		"NONE":     0,
@@ -62,6 +64,7 @@ var (
 		"BINARY":   7,
 		"ERROR":    8,
 		"STRUCT":   9,
+		"JSON":     10,
 	}
 )
 
@@ -1274,7 +1277,7 @@ var file_flyteidl_core_types_proto_rawDesc = []byte{
 	0x6e, 0x6f, 0x64, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x66,
 	0x61, 0x69, 0x6c, 0x65, 0x64, 0x4e, 0x6f, 0x64, 0x65, 0x49, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x6d,
 	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65,
-	0x73, 0x73, 0x61, 0x67, 0x65, 0x2a, 0x86, 0x01, 0x0a, 0x0a, 0x53, 0x69, 0x6d, 0x70, 0x6c, 0x65,
+	0x73, 0x73, 0x61, 0x67, 0x65, 0x2a, 0x90, 0x01, 0x0a, 0x0a, 0x53, 0x69, 0x6d, 0x70, 0x6c, 0x65,
 	0x54, 0x79, 0x70, 0x65, 0x12, 0x08, 0x0a, 0x04, 0x4e, 0x4f, 0x4e, 0x45, 0x10, 0x00, 0x12, 0x0b,
 	0x0a, 0x07, 0x49, 0x4e, 0x54, 0x45, 0x47, 0x45, 0x52, 0x10, 0x01, 0x12, 0x09, 0x0a, 0x05, 0x46,
 	0x4c, 0x4f, 0x41, 0x54, 0x10, 0x02, 0x12, 0x0a, 0x0a, 0x06, 0x53, 0x54, 0x52, 0x49, 0x4e, 0x47,
@@ -1282,19 +1285,20 @@ var file_flyteidl_core_types_proto_rawDesc = []byte{
 	0x0c, 0x0a, 0x08, 0x44, 0x41, 0x54, 0x45, 0x54, 0x49, 0x4d, 0x45, 0x10, 0x05, 0x12, 0x0c, 0x0a,
 	0x08, 0x44, 0x55, 0x52, 0x41, 0x54, 0x49, 0x4f, 0x4e, 0x10, 0x06, 0x12, 0x0a, 0x0a, 0x06, 0x42,
 	0x49, 0x4e, 0x41, 0x52, 0x59, 0x10, 0x07, 0x12, 0x09, 0x0a, 0x05, 0x45, 0x52, 0x52, 0x4f, 0x52,
-	0x10, 0x08, 0x12, 0x0a, 0x0a, 0x06, 0x53, 0x54, 0x52, 0x55, 0x43, 0x54, 0x10, 0x09, 0x42, 0xb0,
-	0x01, 0x0a, 0x11, 0x63, 0x6f, 0x6d, 0x2e, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x2e,
-	0x63, 0x6f, 0x72, 0x65, 0x42, 0x0a, 0x54, 0x79, 0x70, 0x65, 0x73, 0x50, 0x72, 0x6f, 0x74, 0x6f,
-	0x50, 0x01, 0x5a, 0x3a, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x66,
-	0x6c, 0x79, 0x74, 0x65, 0x6f, 0x72, 0x67, 0x2f, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x2f, 0x66, 0x6c,
-	0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x2f, 0x67, 0x65, 0x6e, 0x2f, 0x70, 0x62, 0x2d, 0x67, 0x6f,
-	0x2f, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x2f, 0x63, 0x6f, 0x72, 0x65, 0xa2, 0x02,
-	0x03, 0x46, 0x43, 0x58, 0xaa, 0x02, 0x0d, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x2e,
-	0x43, 0x6f, 0x72, 0x65, 0xca, 0x02, 0x0d, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x5c,
-	0x43, 0x6f, 0x72, 0x65, 0xe2, 0x02, 0x19, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x5c,
-	0x43, 0x6f, 0x72, 0x65, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
-	0xea, 0x02, 0x0e, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x3a, 0x3a, 0x43, 0x6f, 0x72,
-	0x65, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x10, 0x08, 0x12, 0x0a, 0x0a, 0x06, 0x53, 0x54, 0x52, 0x55, 0x43, 0x54, 0x10, 0x09, 0x12, 0x08,
+	0x0a, 0x04, 0x4a, 0x53, 0x4f, 0x4e, 0x10, 0x0a, 0x42, 0xb0, 0x01, 0x0a, 0x11, 0x63, 0x6f, 0x6d,
+	0x2e, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x42, 0x0a,
+	0x54, 0x79, 0x70, 0x65, 0x73, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x3a, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x6f, 0x72,
+	0x67, 0x2f, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x2f, 0x66, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c,
+	0x2f, 0x67, 0x65, 0x6e, 0x2f, 0x70, 0x62, 0x2d, 0x67, 0x6f, 0x2f, 0x66, 0x6c, 0x79, 0x74, 0x65,
+	0x69, 0x64, 0x6c, 0x2f, 0x63, 0x6f, 0x72, 0x65, 0xa2, 0x02, 0x03, 0x46, 0x43, 0x58, 0xaa, 0x02,
+	0x0d, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x2e, 0x43, 0x6f, 0x72, 0x65, 0xca, 0x02,
+	0x0d, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x5c, 0x43, 0x6f, 0x72, 0x65, 0xe2, 0x02,
+	0x19, 0x46, 0x6c, 0x79, 0x74, 0x65, 0x69, 0x64, 0x6c, 0x5c, 0x43, 0x6f, 0x72, 0x65, 0x5c, 0x47,
+	0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02, 0x0e, 0x46, 0x6c, 0x79,
+	0x74, 0x65, 0x69, 0x64, 0x6c, 0x3a, 0x3a, 0x43, 0x6f, 0x72, 0x65, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/cacheservice/cacheservice.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/cacheservice/cacheservice.swagger.json
index 79be0ba117..521644148c 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/cacheservice/cacheservice.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/cacheservice/cacheservice.swagger.json
@@ -202,6 +202,14 @@
       },
       "description": "Encapsulation of fields that uniquely identifies a Flyte resource."
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreLiteral": {
       "type": "object",
       "properties": {
@@ -374,6 +382,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -403,7 +414,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/datacatalog/datacatalog.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/datacatalog/datacatalog.swagger.json
index 1f2f91d28b..759d40585f 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/datacatalog/datacatalog.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/datacatalog/datacatalog.swagger.json
@@ -146,6 +146,14 @@
       },
       "description": "Represents an error thrown from a node."
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreLiteral": {
       "type": "object",
       "properties": {
@@ -306,6 +314,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -335,7 +346,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/service/admin.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/service/admin.swagger.json
index 4e944181b5..9c6671fb89 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/service/admin.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/service/admin.swagger.json
@@ -7271,6 +7271,14 @@
         }
       }
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreK8sObjectMetadata": {
       "type": "object",
       "properties": {
@@ -7862,6 +7870,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -7957,7 +7968,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/service/agent.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/service/agent.swagger.json
index a2d429d019..4401e6a31b 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/service/agent.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/service/agent.swagger.json
@@ -1179,6 +1179,14 @@
         }
       }
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreK8sObjectMetadata": {
       "type": "object",
       "properties": {
@@ -1537,6 +1545,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -1614,7 +1625,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/service/dataproxy.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/service/dataproxy.swagger.json
index 4798fc6c2d..876375da5f 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/service/dataproxy.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/service/dataproxy.swagger.json
@@ -262,6 +262,14 @@
       },
       "description": "Represents an error thrown from a node."
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreLiteral": {
       "type": "object",
       "properties": {
@@ -434,6 +442,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -463,7 +474,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/service/external_plugin_service.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/service/external_plugin_service.swagger.json
index f488a49c00..658b3fc9e8 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/service/external_plugin_service.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/service/external_plugin_service.swagger.json
@@ -495,6 +495,14 @@
         }
       }
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreK8sObjectMetadata": {
       "type": "object",
       "properties": {
@@ -841,6 +849,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -918,7 +929,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-go/gateway/flyteidl/service/signal.swagger.json b/flyteidl/gen/pb-go/gateway/flyteidl/service/signal.swagger.json
index 94c859bfcd..f0cd2eb056 100644
--- a/flyteidl/gen/pb-go/gateway/flyteidl/service/signal.swagger.json
+++ b/flyteidl/gen/pb-go/gateway/flyteidl/service/signal.swagger.json
@@ -338,6 +338,14 @@
       },
       "description": "Represents an error thrown from a node."
     },
+    "coreJson": {
+      "type": "object",
+      "properties": {
+        "value": {
+          "type": "string"
+        }
+      }
+    },
     "coreLiteral": {
       "type": "object",
       "properties": {
@@ -498,6 +506,9 @@
         },
         "union": {
           "$ref": "#/definitions/coreUnion"
+        },
+        "json": {
+          "$ref": "#/definitions/coreJson"
         }
       }
     },
@@ -541,7 +552,8 @@
         "DURATION",
         "BINARY",
         "ERROR",
-        "STRUCT"
+        "STRUCT",
+        "JSON"
       ],
       "default": "NONE",
       "description": "Define a set of simple types."
diff --git a/flyteidl/gen/pb-js/flyteidl.d.ts b/flyteidl/gen/pb-js/flyteidl.d.ts
index cceab76647..a46e97551e 100644
--- a/flyteidl/gen/pb-js/flyteidl.d.ts
+++ b/flyteidl/gen/pb-js/flyteidl.d.ts
@@ -1906,7 +1906,8 @@ export namespace flyteidl {
             DURATION = 6,
             BINARY = 7,
             ERROR = 8,
-            STRUCT = 9
+            STRUCT = 9,
+            JSON = 10
         }
 
         /** Properties of a SchemaType. */
@@ -3044,6 +3045,58 @@ export namespace flyteidl {
             public static verify(message: { [k: string]: any }): (string|null);
         }
 
+        /** Properties of a Json. */
+        interface IJson {
+
+            /** Json value */
+            value?: (string|null);
+        }
+
+        /** Represents a Json. */
+        class Json implements IJson {
+
+            /**
+             * Constructs a new Json.
+             * @param [properties] Properties to set
+             */
+            constructor(properties?: flyteidl.core.IJson);
+
+            /** Json value. */
+            public value: string;
+
+            /**
+             * Creates a new Json instance using the specified properties.
+             * @param [properties] Properties to set
+             * @returns Json instance
+             */
+            public static create(properties?: flyteidl.core.IJson): flyteidl.core.Json;
+
+            /**
+             * Encodes the specified Json message. Does not implicitly {@link flyteidl.core.Json.verify|verify} messages.
+             * @param message Json message or plain object to encode
+             * @param [writer] Writer to encode to
+             * @returns Writer
+             */
+            public static encode(message: flyteidl.core.IJson, writer?: $protobuf.Writer): $protobuf.Writer;
+
+            /**
+             * Decodes a Json message from the specified reader or buffer.
+             * @param reader Reader or buffer to decode from
+             * @param [length] Message length if known beforehand
+             * @returns Json
+             * @throws {Error} If the payload is not a reader or valid buffer
+             * @throws {$protobuf.util.ProtocolError} If required fields are missing
+             */
+            public static decode(reader: ($protobuf.Reader|Uint8Array), length?: number): flyteidl.core.Json;
+
+            /**
+             * Verifies a Json message.
+             * @param message Plain object to verify
+             * @returns `null` if valid, otherwise the reason why it is not
+             */
+            public static verify(message: { [k: string]: any }): (string|null);
+        }
+
         /** Properties of a Schema. */
         interface ISchema {
 
@@ -3299,6 +3352,9 @@ export namespace flyteidl {
 
             /** Scalar union */
             union?: (flyteidl.core.IUnion|null);
+
+            /** Scalar json */
+            json?: (flyteidl.core.IJson|null);
         }
 
         /** Represents a Scalar. */
@@ -3337,8 +3393,11 @@ export namespace flyteidl {
             /** Scalar union. */
             public union?: (flyteidl.core.IUnion|null);
 
+            /** Scalar json. */
+            public json?: (flyteidl.core.IJson|null);
+
             /** Scalar value. */
-            public value?: ("primitive"|"blob"|"binary"|"schema"|"noneType"|"error"|"generic"|"structuredDataset"|"union");
+            public value?: ("primitive"|"blob"|"binary"|"schema"|"noneType"|"error"|"generic"|"structuredDataset"|"union"|"json");
 
             /**
              * Creates a new Scalar instance using the specified properties.
diff --git a/flyteidl/gen/pb-js/flyteidl.js b/flyteidl/gen/pb-js/flyteidl.js
index e29f5fc9ff..6f08b26bba 100644
--- a/flyteidl/gen/pb-js/flyteidl.js
+++ b/flyteidl/gen/pb-js/flyteidl.js
@@ -4545,6 +4545,7 @@
              * @property {number} BINARY=7 BINARY value
              * @property {number} ERROR=8 ERROR value
              * @property {number} STRUCT=9 STRUCT value
+             * @property {number} JSON=10 JSON value
              */
             core.SimpleType = (function() {
                 var valuesById = {}, values = Object.create(valuesById);
@@ -4558,6 +4559,7 @@
                 values[valuesById[7] = "BINARY"] = 7;
                 values[valuesById[8] = "ERROR"] = 8;
                 values[valuesById[9] = "STRUCT"] = 9;
+                values[valuesById[10] = "JSON"] = 10;
                 return values;
             })();
     
@@ -6049,6 +6051,7 @@
                         case 7:
                         case 8:
                         case 9:
+                        case 10:
                             break;
                         }
                     }
@@ -7271,6 +7274,116 @@
                 return Binary;
             })();
     
+            core.Json = (function() {
+    
+                /**
+                 * Properties of a Json.
+                 * @memberof flyteidl.core
+                 * @interface IJson
+                 * @property {string|null} [value] Json value
+                 */
+    
+                /**
+                 * Constructs a new Json.
+                 * @memberof flyteidl.core
+                 * @classdesc Represents a Json.
+                 * @implements IJson
+                 * @constructor
+                 * @param {flyteidl.core.IJson=} [properties] Properties to set
+                 */
+                function Json(properties) {
+                    if (properties)
+                        for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
+                            if (properties[keys[i]] != null)
+                                this[keys[i]] = properties[keys[i]];
+                }
+    
+                /**
+                 * Json value.
+                 * @member {string} value
+                 * @memberof flyteidl.core.Json
+                 * @instance
+                 */
+                Json.prototype.value = "";
+    
+                /**
+                 * Creates a new Json instance using the specified properties.
+                 * @function create
+                 * @memberof flyteidl.core.Json
+                 * @static
+                 * @param {flyteidl.core.IJson=} [properties] Properties to set
+                 * @returns {flyteidl.core.Json} Json instance
+                 */
+                Json.create = function create(properties) {
+                    return new Json(properties);
+                };
+    
+                /**
+                 * Encodes the specified Json message. Does not implicitly {@link flyteidl.core.Json.verify|verify} messages.
+                 * @function encode
+                 * @memberof flyteidl.core.Json
+                 * @static
+                 * @param {flyteidl.core.IJson} message Json message or plain object to encode
+                 * @param {$protobuf.Writer} [writer] Writer to encode to
+                 * @returns {$protobuf.Writer} Writer
+                 */
+                Json.encode = function encode(message, writer) {
+                    if (!writer)
+                        writer = $Writer.create();
+                    if (message.value != null && message.hasOwnProperty("value"))
+                        writer.uint32(/* id 1, wireType 2 =*/10).string(message.value);
+                    return writer;
+                };
+    
+                /**
+                 * Decodes a Json message from the specified reader or buffer.
+                 * @function decode
+                 * @memberof flyteidl.core.Json
+                 * @static
+                 * @param {$protobuf.Reader|Uint8Array} reader Reader or buffer to decode from
+                 * @param {number} [length] Message length if known beforehand
+                 * @returns {flyteidl.core.Json} Json
+                 * @throws {Error} If the payload is not a reader or valid buffer
+                 * @throws {$protobuf.util.ProtocolError} If required fields are missing
+                 */
+                Json.decode = function decode(reader, length) {
+                    if (!(reader instanceof $Reader))
+                        reader = $Reader.create(reader);
+                    var end = length === undefined ? reader.len : reader.pos + length, message = new $root.flyteidl.core.Json();
+                    while (reader.pos < end) {
+                        var tag = reader.uint32();
+                        switch (tag >>> 3) {
+                        case 1:
+                            message.value = reader.string();
+                            break;
+                        default:
+                            reader.skipType(tag & 7);
+                            break;
+                        }
+                    }
+                    return message;
+                };
+    
+                /**
+                 * Verifies a Json message.
+                 * @function verify
+                 * @memberof flyteidl.core.Json
+                 * @static
+                 * @param {Object.<string,*>} message Plain object to verify
+                 * @returns {string|null} `null` if valid, otherwise the reason why it is not
+                 */
+                Json.verify = function verify(message) {
+                    if (typeof message !== "object" || message === null)
+                        return "object expected";
+                    if (message.value != null && message.hasOwnProperty("value"))
+                        if (!$util.isString(message.value))
+                            return "value: string expected";
+                    return null;
+                };
+    
+                return Json;
+            })();
+    
             core.Schema = (function() {
     
                 /**
@@ -7787,6 +7900,7 @@
                  * @property {google.protobuf.IStruct|null} [generic] Scalar generic
                  * @property {flyteidl.core.IStructuredDataset|null} [structuredDataset] Scalar structuredDataset
                  * @property {flyteidl.core.IUnion|null} [union] Scalar union
+                 * @property {flyteidl.core.IJson|null} [json] Scalar json
                  */
     
                 /**
@@ -7876,17 +7990,25 @@
                  */
                 Scalar.prototype.union = null;
     
+                /**
+                 * Scalar json.
+                 * @member {flyteidl.core.IJson|null|undefined} json
+                 * @memberof flyteidl.core.Scalar
+                 * @instance
+                 */
+                Scalar.prototype.json = null;
+    
                 // OneOf field names bound to virtual getters and setters
                 var $oneOfFields;
     
                 /**
                  * Scalar value.
-                 * @member {"primitive"|"blob"|"binary"|"schema"|"noneType"|"error"|"generic"|"structuredDataset"|"union"|undefined} value
+                 * @member {"primitive"|"blob"|"binary"|"schema"|"noneType"|"error"|"generic"|"structuredDataset"|"union"|"json"|undefined} value
                  * @memberof flyteidl.core.Scalar
                  * @instance
                  */
                 Object.defineProperty(Scalar.prototype, "value", {
-                    get: $util.oneOfGetter($oneOfFields = ["primitive", "blob", "binary", "schema", "noneType", "error", "generic", "structuredDataset", "union"]),
+                    get: $util.oneOfGetter($oneOfFields = ["primitive", "blob", "binary", "schema", "noneType", "error", "generic", "structuredDataset", "union", "json"]),
                     set: $util.oneOfSetter($oneOfFields)
                 });
     
@@ -7932,6 +8054,8 @@
                         $root.flyteidl.core.StructuredDataset.encode(message.structuredDataset, writer.uint32(/* id 8, wireType 2 =*/66).fork()).ldelim();
                     if (message.union != null && message.hasOwnProperty("union"))
                         $root.flyteidl.core.Union.encode(message.union, writer.uint32(/* id 9, wireType 2 =*/74).fork()).ldelim();
+                    if (message.json != null && message.hasOwnProperty("json"))
+                        $root.flyteidl.core.Json.encode(message.json, writer.uint32(/* id 10, wireType 2 =*/82).fork()).ldelim();
                     return writer;
                 };
     
@@ -7980,6 +8104,9 @@
                         case 9:
                             message.union = $root.flyteidl.core.Union.decode(reader, reader.uint32());
                             break;
+                        case 10:
+                            message.json = $root.flyteidl.core.Json.decode(reader, reader.uint32());
+                            break;
                         default:
                             reader.skipType(tag & 7);
                             break;
@@ -8088,6 +8215,16 @@
                                 return "union." + error;
                         }
                     }
+                    if (message.json != null && message.hasOwnProperty("json")) {
+                        if (properties.value === 1)
+                            return "value: multiple values";
+                        properties.value = 1;
+                        {
+                            var error = $root.flyteidl.core.Json.verify(message.json);
+                            if (error)
+                                return "json." + error;
+                        }
+                    }
                     return null;
                 };
     
diff --git a/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.py b/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.py
index 77bc3ea3f0..787e835eef 100644
--- a/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.py
+++ b/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.py
@@ -17,7 +17,7 @@
 from flyteidl.core import types_pb2 as flyteidl_dot_core_dot_types__pb2
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1c\x66lyteidl/core/literals.proto\x12\rflyteidl.core\x1a\x1fgoogle/protobuf/timestamp.proto\x1a\x1egoogle/protobuf/duration.proto\x1a\x1cgoogle/protobuf/struct.proto\x1a\x19\x66lyteidl/core/types.proto\"\x87\x02\n\tPrimitive\x12\x1a\n\x07integer\x18\x01 \x01(\x03H\x00R\x07integer\x12!\n\x0b\x66loat_value\x18\x02 \x01(\x01H\x00R\nfloatValue\x12#\n\x0cstring_value\x18\x03 \x01(\tH\x00R\x0bstringValue\x12\x1a\n\x07\x62oolean\x18\x04 \x01(\x08H\x00R\x07\x62oolean\x12\x38\n\x08\x64\x61tetime\x18\x05 \x01(\x0b\x32\x1a.google.protobuf.TimestampH\x00R\x08\x64\x61tetime\x12\x37\n\x08\x64uration\x18\x06 \x01(\x0b\x32\x19.google.protobuf.DurationH\x00R\x08\x64urationB\x07\n\x05value\"\x06\n\x04Void\"Q\n\x04\x42lob\x12\x37\n\x08metadata\x18\x01 \x01(\x0b\x32\x1b.flyteidl.core.BlobMetadataR\x08metadata\x12\x10\n\x03uri\x18\x03 \x01(\tR\x03uri\";\n\x0c\x42lobMetadata\x12+\n\x04type\x18\x01 \x01(\x0b\x32\x17.flyteidl.core.BlobTypeR\x04type\"0\n\x06\x42inary\x12\x14\n\x05value\x18\x01 \x01(\x0cR\x05value\x12\x10\n\x03tag\x18\x02 \x01(\tR\x03tag\"I\n\x06Schema\x12\x10\n\x03uri\x18\x01 \x01(\tR\x03uri\x12-\n\x04type\x18\x03 \x01(\x0b\x32\x19.flyteidl.core.SchemaTypeR\x04type\"e\n\x05Union\x12,\n\x05value\x18\x01 \x01(\x0b\x32\x16.flyteidl.core.LiteralR\x05value\x12.\n\x04type\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x04type\"y\n\x19StructuredDatasetMetadata\x12\\\n\x17structured_dataset_type\x18\x01 \x01(\x0b\x32$.flyteidl.core.StructuredDatasetTypeR\x15structuredDatasetType\"k\n\x11StructuredDataset\x12\x10\n\x03uri\x18\x01 \x01(\tR\x03uri\x12\x44\n\x08metadata\x18\x02 \x01(\x0b\x32(.flyteidl.core.StructuredDatasetMetadataR\x08metadata\"\xf0\x03\n\x06Scalar\x12\x38\n\tprimitive\x18\x01 \x01(\x0b\x32\x18.flyteidl.core.PrimitiveH\x00R\tprimitive\x12)\n\x04\x62lob\x18\x02 \x01(\x0b\x32\x13.flyteidl.core.BlobH\x00R\x04\x62lob\x12/\n\x06\x62inary\x18\x03 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\x01(\x0b\x32\x1a.flyteidl.core.BindingDataR\x05value:\x02\x38\x01\"G\n\tUnionInfo\x12:\n\ntargetType\x18\x01 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\ntargetType\"\xae\x02\n\x0b\x42indingData\x12/\n\x06scalar\x18\x01 \x01(\x0b\x32\x15.flyteidl.core.ScalarH\x00R\x06scalar\x12\x46\n\ncollection\x18\x02 \x01(\x0b\x32$.flyteidl.core.BindingDataCollectionH\x00R\ncollection\x12:\n\x07promise\x18\x03 \x01(\x0b\x32\x1e.flyteidl.core.OutputReferenceH\x00R\x07promise\x12\x31\n\x03map\x18\x04 \x01(\x0b\x32\x1d.flyteidl.core.BindingDataMapH\x00R\x03map\x12.\n\x05union\x18\x05 \x01(\x0b\x32\x18.flyteidl.core.UnionInfoR\x05unionB\x07\n\x05value\"Q\n\x07\x42inding\x12\x10\n\x03var\x18\x01 \x01(\tR\x03var\x12\x34\n\x07\x62inding\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.BindingDataR\x07\x62inding\"6\n\x0cKeyValuePair\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n\x05value\x18\x02 \x01(\tR\x05value\")\n\rRetryStrategy\x12\x18\n\x07retries\x18\x05 \x01(\rR\x07retriesB\xb3\x01\n\x11\x63om.flyteidl.coreB\rLiteralsProtoP\x01Z:github.com/flyteorg/flyte/flyteidl/gen/pb-go/flyteidl/core\xa2\x02\x03\x46\x43X\xaa\x02\rFlyteidl.Core\xca\x02\rFlyteidl\\Core\xe2\x02\x19\x46lyteidl\\Core\\GPBMetadata\xea\x02\x0e\x46lyteidl::Coreb\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x1c\x66lyteidl/core/literals.proto\x12\rflyteidl.core\x1a\x1fgoogle/protobuf/timestamp.proto\x1a\x1egoogle/protobuf/duration.proto\x1a\x1cgoogle/protobuf/struct.proto\x1a\x19\x66lyteidl/core/types.proto\"\x87\x02\n\tPrimitive\x12\x1a\n\x07integer\x18\x01 \x01(\x03H\x00R\x07integer\x12!\n\x0b\x66loat_value\x18\x02 \x01(\x01H\x00R\nfloatValue\x12#\n\x0cstring_value\x18\x03 \x01(\tH\x00R\x0bstringValue\x12\x1a\n\x07\x62oolean\x18\x04 \x01(\x08H\x00R\x07\x62oolean\x12\x38\n\x08\x64\x61tetime\x18\x05 \x01(\x0b\x32\x1a.google.protobuf.TimestampH\x00R\x08\x64\x61tetime\x12\x37\n\x08\x64uration\x18\x06 \x01(\x0b\x32\x19.google.protobuf.DurationH\x00R\x08\x64urationB\x07\n\x05value\"\x06\n\x04Void\"Q\n\x04\x42lob\x12\x37\n\x08metadata\x18\x01 \x01(\x0b\x32\x1b.flyteidl.core.BlobMetadataR\x08metadata\x12\x10\n\x03uri\x18\x03 \x01(\tR\x03uri\";\n\x0c\x42lobMetadata\x12+\n\x04type\x18\x01 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\x01(\x0b\x32\x19.flyteidl.core.LiteralMapH\x00R\x03map\x12\x12\n\x04hash\x18\x04 \x01(\tR\x04hash\x12@\n\x08metadata\x18\x05 \x03(\x0b\x32$.flyteidl.core.Literal.MetadataEntryR\x08metadata\x1a;\n\rMetadataEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n\x05value\x18\x02 \x01(\tR\x05value:\x02\x38\x01\x42\x07\n\x05value\"G\n\x11LiteralCollection\x12\x32\n\x08literals\x18\x01 \x03(\x0b\x32\x16.flyteidl.core.LiteralR\x08literals\"\xa6\x01\n\nLiteralMap\x12\x43\n\x08literals\x18\x01 \x03(\x0b\x32\'.flyteidl.core.LiteralMap.LiteralsEntryR\x08literals\x1aS\n\rLiteralsEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12,\n\x05value\x18\x02 \x01(\x0b\x32\x16.flyteidl.core.LiteralR\x05value:\x02\x38\x01\"O\n\x15\x42indingDataCollection\x12\x36\n\x08\x62indings\x18\x01 \x03(\x0b\x32\x1a.flyteidl.core.BindingDataR\x08\x62indings\"\xb2\x01\n\x0e\x42indingDataMap\x12G\n\x08\x62indings\x18\x01 \x03(\x0b\x32+.flyteidl.core.BindingDataMap.BindingsEntryR\x08\x62indings\x1aW\n\rBindingsEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x30\n\x05value\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.BindingDataR\x05value:\x02\x38\x01\"G\n\tUnionInfo\x12:\n\ntargetType\x18\x01 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\ntargetType\"\xae\x02\n\x0b\x42indingData\x12/\n\x06scalar\x18\x01 \x01(\x0b\x32\x15.flyteidl.core.ScalarH\x00R\x06scalar\x12\x46\n\ncollection\x18\x02 \x01(\x0b\x32$.flyteidl.core.BindingDataCollectionH\x00R\ncollection\x12:\n\x07promise\x18\x03 \x01(\x0b\x32\x1e.flyteidl.core.OutputReferenceH\x00R\x07promise\x12\x31\n\x03map\x18\x04 \x01(\x0b\x32\x1d.flyteidl.core.BindingDataMapH\x00R\x03map\x12.\n\x05union\x18\x05 \x01(\x0b\x32\x18.flyteidl.core.UnionInfoR\x05unionB\x07\n\x05value\"Q\n\x07\x42inding\x12\x10\n\x03var\x18\x01 \x01(\tR\x03var\x12\x34\n\x07\x62inding\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.BindingDataR\x07\x62inding\"6\n\x0cKeyValuePair\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x14\n\x05value\x18\x02 \x01(\tR\x05value\")\n\rRetryStrategy\x12\x18\n\x07retries\x18\x05 \x01(\rR\x07retriesB\xb3\x01\n\x11\x63om.flyteidl.coreB\rLiteralsProtoP\x01Z:github.com/flyteorg/flyte/flyteidl/gen/pb-go/flyteidl/core\xa2\x02\x03\x46\x43X\xaa\x02\rFlyteidl.Core\xca\x02\rFlyteidl\\Core\xe2\x02\x19\x46lyteidl\\Core\\GPBMetadata\xea\x02\x0e\x46lyteidl::Coreb\x06proto3')
 
 _globals = globals()
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
@@ -42,40 +42,42 @@
   _globals['_BLOBMETADATA']._serialized_end=585
   _globals['_BINARY']._serialized_start=587
   _globals['_BINARY']._serialized_end=635
-  _globals['_SCHEMA']._serialized_start=637
-  _globals['_SCHEMA']._serialized_end=710
-  _globals['_UNION']._serialized_start=712
-  _globals['_UNION']._serialized_end=813
-  _globals['_STRUCTUREDDATASETMETADATA']._serialized_start=815
-  _globals['_STRUCTUREDDATASETMETADATA']._serialized_end=936
-  _globals['_STRUCTUREDDATASET']._serialized_start=938
-  _globals['_STRUCTUREDDATASET']._serialized_end=1045
-  _globals['_SCALAR']._serialized_start=1048
-  _globals['_SCALAR']._serialized_end=1544
-  _globals['_LITERAL']._serialized_start=1547
-  _globals['_LITERAL']._serialized_end=1876
-  _globals['_LITERAL_METADATAENTRY']._serialized_start=1808
-  _globals['_LITERAL_METADATAENTRY']._serialized_end=1867
-  _globals['_LITERALCOLLECTION']._serialized_start=1878
-  _globals['_LITERALCOLLECTION']._serialized_end=1949
-  _globals['_LITERALMAP']._serialized_start=1952
-  _globals['_LITERALMAP']._serialized_end=2118
-  _globals['_LITERALMAP_LITERALSENTRY']._serialized_start=2035
-  _globals['_LITERALMAP_LITERALSENTRY']._serialized_end=2118
-  _globals['_BINDINGDATACOLLECTION']._serialized_start=2120
-  _globals['_BINDINGDATACOLLECTION']._serialized_end=2199
-  _globals['_BINDINGDATAMAP']._serialized_start=2202
-  _globals['_BINDINGDATAMAP']._serialized_end=2380
-  _globals['_BINDINGDATAMAP_BINDINGSENTRY']._serialized_start=2293
-  _globals['_BINDINGDATAMAP_BINDINGSENTRY']._serialized_end=2380
-  _globals['_UNIONINFO']._serialized_start=2382
-  _globals['_UNIONINFO']._serialized_end=2453
-  _globals['_BINDINGDATA']._serialized_start=2456
-  _globals['_BINDINGDATA']._serialized_end=2758
-  _globals['_BINDING']._serialized_start=2760
-  _globals['_BINDING']._serialized_end=2841
-  _globals['_KEYVALUEPAIR']._serialized_start=2843
-  _globals['_KEYVALUEPAIR']._serialized_end=2897
-  _globals['_RETRYSTRATEGY']._serialized_start=2899
-  _globals['_RETRYSTRATEGY']._serialized_end=2940
+  _globals['_JSON']._serialized_start=637
+  _globals['_JSON']._serialized_end=665
+  _globals['_SCHEMA']._serialized_start=667
+  _globals['_SCHEMA']._serialized_end=740
+  _globals['_UNION']._serialized_start=742
+  _globals['_UNION']._serialized_end=843
+  _globals['_STRUCTUREDDATASETMETADATA']._serialized_start=845
+  _globals['_STRUCTUREDDATASETMETADATA']._serialized_end=966
+  _globals['_STRUCTUREDDATASET']._serialized_start=968
+  _globals['_STRUCTUREDDATASET']._serialized_end=1075
+  _globals['_SCALAR']._serialized_start=1078
+  _globals['_SCALAR']._serialized_end=1617
+  _globals['_LITERAL']._serialized_start=1620
+  _globals['_LITERAL']._serialized_end=1949
+  _globals['_LITERAL_METADATAENTRY']._serialized_start=1881
+  _globals['_LITERAL_METADATAENTRY']._serialized_end=1940
+  _globals['_LITERALCOLLECTION']._serialized_start=1951
+  _globals['_LITERALCOLLECTION']._serialized_end=2022
+  _globals['_LITERALMAP']._serialized_start=2025
+  _globals['_LITERALMAP']._serialized_end=2191
+  _globals['_LITERALMAP_LITERALSENTRY']._serialized_start=2108
+  _globals['_LITERALMAP_LITERALSENTRY']._serialized_end=2191
+  _globals['_BINDINGDATACOLLECTION']._serialized_start=2193
+  _globals['_BINDINGDATACOLLECTION']._serialized_end=2272
+  _globals['_BINDINGDATAMAP']._serialized_start=2275
+  _globals['_BINDINGDATAMAP']._serialized_end=2453
+  _globals['_BINDINGDATAMAP_BINDINGSENTRY']._serialized_start=2366
+  _globals['_BINDINGDATAMAP_BINDINGSENTRY']._serialized_end=2453
+  _globals['_UNIONINFO']._serialized_start=2455
+  _globals['_UNIONINFO']._serialized_end=2526
+  _globals['_BINDINGDATA']._serialized_start=2529
+  _globals['_BINDINGDATA']._serialized_end=2831
+  _globals['_BINDING']._serialized_start=2833
+  _globals['_BINDING']._serialized_end=2914
+  _globals['_KEYVALUEPAIR']._serialized_start=2916
+  _globals['_KEYVALUEPAIR']._serialized_end=2970
+  _globals['_RETRYSTRATEGY']._serialized_start=2972
+  _globals['_RETRYSTRATEGY']._serialized_end=3013
 # @@protoc_insertion_point(module_scope)
diff --git a/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.pyi b/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.pyi
index 62622203bd..5cbe719c63 100644
--- a/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.pyi
+++ b/flyteidl/gen/pb_python/flyteidl/core/literals_pb2.pyi
@@ -51,6 +51,12 @@ class Binary(_message.Message):
     tag: str
     def __init__(self, value: _Optional[bytes] = ..., tag: _Optional[str] = ...) -> None: ...
 
+class Json(_message.Message):
+    __slots__ = ["value"]
+    VALUE_FIELD_NUMBER: _ClassVar[int]
+    value: str
+    def __init__(self, value: _Optional[str] = ...) -> None: ...
+
 class Schema(_message.Message):
     __slots__ = ["uri", "type"]
     URI_FIELD_NUMBER: _ClassVar[int]
@@ -82,7 +88,7 @@ class StructuredDataset(_message.Message):
     def __init__(self, uri: _Optional[str] = ..., metadata: _Optional[_Union[StructuredDatasetMetadata, _Mapping]] = ...) -> None: ...
 
 class Scalar(_message.Message):
-    __slots__ = ["primitive", "blob", "binary", "schema", "none_type", "error", "generic", "structured_dataset", "union"]
+    __slots__ = ["primitive", "blob", "binary", "schema", "none_type", "error", "generic", "structured_dataset", "union", "json"]
     PRIMITIVE_FIELD_NUMBER: _ClassVar[int]
     BLOB_FIELD_NUMBER: _ClassVar[int]
     BINARY_FIELD_NUMBER: _ClassVar[int]
@@ -92,6 +98,7 @@ class Scalar(_message.Message):
     GENERIC_FIELD_NUMBER: _ClassVar[int]
     STRUCTURED_DATASET_FIELD_NUMBER: _ClassVar[int]
     UNION_FIELD_NUMBER: _ClassVar[int]
+    JSON_FIELD_NUMBER: _ClassVar[int]
     primitive: Primitive
     blob: Blob
     binary: Binary
@@ -101,7 +108,8 @@ class Scalar(_message.Message):
     generic: _struct_pb2.Struct
     structured_dataset: StructuredDataset
     union: Union
-    def __init__(self, primitive: _Optional[_Union[Primitive, _Mapping]] = ..., blob: _Optional[_Union[Blob, _Mapping]] = ..., binary: _Optional[_Union[Binary, _Mapping]] = ..., schema: _Optional[_Union[Schema, _Mapping]] = ..., none_type: _Optional[_Union[Void, _Mapping]] = ..., error: _Optional[_Union[_types_pb2.Error, _Mapping]] = ..., generic: _Optional[_Union[_struct_pb2.Struct, _Mapping]] = ..., structured_dataset: _Optional[_Union[StructuredDataset, _Mapping]] = ..., union: _Optional[_Union[Union, _Mapping]] = ...) -> None: ...
+    json: Json
+    def __init__(self, primitive: _Optional[_Union[Primitive, _Mapping]] = ..., blob: _Optional[_Union[Blob, _Mapping]] = ..., binary: _Optional[_Union[Binary, _Mapping]] = ..., schema: _Optional[_Union[Schema, _Mapping]] = ..., none_type: _Optional[_Union[Void, _Mapping]] = ..., error: _Optional[_Union[_types_pb2.Error, _Mapping]] = ..., generic: _Optional[_Union[_struct_pb2.Struct, _Mapping]] = ..., structured_dataset: _Optional[_Union[StructuredDataset, _Mapping]] = ..., union: _Optional[_Union[Union, _Mapping]] = ..., json: _Optional[_Union[Json, _Mapping]] = ...) -> None: ...
 
 class Literal(_message.Message):
     __slots__ = ["scalar", "collection", "map", "hash", "metadata"]
diff --git a/flyteidl/gen/pb_python/flyteidl/core/types_pb2.py b/flyteidl/gen/pb_python/flyteidl/core/types_pb2.py
index 3043a0cf6b..f91f2c90a1 100644
--- a/flyteidl/gen/pb_python/flyteidl/core/types_pb2.py
+++ b/flyteidl/gen/pb_python/flyteidl/core/types_pb2.py
@@ -14,7 +14,7 @@
 from google.protobuf import struct_pb2 as google_dot_protobuf_dot_struct__pb2
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x19\x66lyteidl/core/types.proto\x12\rflyteidl.core\x1a\x1cgoogle/protobuf/struct.proto\"\xa1\x02\n\nSchemaType\x12@\n\x07\x63olumns\x18\x03 \x03(\x0b\x32&.flyteidl.core.SchemaType.SchemaColumnR\x07\x63olumns\x1a\xd0\x01\n\x0cSchemaColumn\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12K\n\x04type\x18\x02 \x01(\x0e\x32\x37.flyteidl.core.SchemaType.SchemaColumn.SchemaColumnTypeR\x04type\"_\n\x10SchemaColumnType\x12\x0b\n\x07INTEGER\x10\x00\x12\t\n\x05\x46LOAT\x10\x01\x12\n\n\x06STRING\x10\x02\x12\x0b\n\x07\x42OOLEAN\x10\x03\x12\x0c\n\x08\x44\x41TETIME\x10\x04\x12\x0c\n\x08\x44URATION\x10\x05\"\xc7\x02\n\x15StructuredDatasetType\x12L\n\x07\x63olumns\x18\x01 \x03(\x0b\x32\x32.flyteidl.core.StructuredDatasetType.DatasetColumnR\x07\x63olumns\x12\x16\n\x06\x66ormat\x18\x02 \x01(\tR\x06\x66ormat\x12\x30\n\x14\x65xternal_schema_type\x18\x03 \x01(\tR\x12\x65xternalSchemaType\x12\x32\n\x15\x65xternal_schema_bytes\x18\x04 \x01(\x0cR\x13\x65xternalSchemaBytes\x1a\x62\n\rDatasetColumn\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12=\n\x0cliteral_type\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x0bliteralType\"\xa7\x01\n\x08\x42lobType\x12\x16\n\x06\x66ormat\x18\x01 \x01(\tR\x06\x66ormat\x12R\n\x0e\x64imensionality\x18\x02 \x01(\x0e\x32*.flyteidl.core.BlobType.BlobDimensionalityR\x0e\x64imensionality\"/\n\x12\x42lobDimensionality\x12\n\n\x06SINGLE\x10\x00\x12\r\n\tMULTIPART\x10\x01\"\"\n\x08\x45numType\x12\x16\n\x06values\x18\x01 \x03(\tR\x06values\"C\n\tUnionType\x12\x36\n\x08variants\x18\x01 \x03(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x08variants\"\xd7\x01\n\rTypeStructure\x12\x10\n\x03tag\x18\x01 \x01(\tR\x03tag\x12V\n\x0e\x64\x61taclass_type\x18\x02 \x03(\x0b\x32/.flyteidl.core.TypeStructure.DataclassTypeEntryR\rdataclassType\x1a\\\n\x12\x44\x61taclassTypeEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x30\n\x05value\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x05value:\x02\x38\x01\"K\n\x0eTypeAnnotation\x12\x39\n\x0b\x61nnotations\x18\x01 \x01(\x0b\x32\x17.google.protobuf.StructR\x0b\x61nnotations\"\xbc\x05\n\x0bLiteralType\x12\x33\n\x06simple\x18\x01 \x01(\x0e\x32\x19.flyteidl.core.SimpleTypeH\x00R\x06simple\x12\x33\n\x06schema\x18\x02 \x01(\x0b\x32\x19.flyteidl.core.SchemaTypeH\x00R\x06schema\x12\x45\n\x0f\x63ollection_type\x18\x03 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeH\x00R\x0e\x63ollectionType\x12\x42\n\x0emap_value_type\x18\x04 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeH\x00R\x0cmapValueType\x12-\n\x04\x62lob\x18\x05 \x01(\x0b\x32\x17.flyteidl.core.BlobTypeH\x00R\x04\x62lob\x12\x36\n\tenum_type\x18\x07 \x01(\x0b\x32\x17.flyteidl.core.EnumTypeH\x00R\x08\x65numType\x12^\n\x17structured_dataset_type\x18\x08 \x01(\x0b\x32$.flyteidl.core.StructuredDatasetTypeH\x00R\x15structuredDatasetType\x12\x39\n\nunion_type\x18\n \x01(\x0b\x32\x18.flyteidl.core.UnionTypeH\x00R\tunionType\x12\x33\n\x08metadata\x18\x06 \x01(\x0b\x32\x17.google.protobuf.StructR\x08metadata\x12=\n\nannotation\x18\t \x01(\x0b\x32\x1d.flyteidl.core.TypeAnnotationR\nannotation\x12:\n\tstructure\x18\x0b \x01(\x0b\x32\x1c.flyteidl.core.TypeStructureR\tstructureB\x06\n\x04type\"z\n\x0fOutputReference\x12\x17\n\x07node_id\x18\x01 \x01(\tR\x06nodeId\x12\x10\n\x03var\x18\x02 \x01(\tR\x03var\x12<\n\tattr_path\x18\x03 \x03(\x0b\x32\x1f.flyteidl.core.PromiseAttributeR\x08\x61ttrPath\"_\n\x10PromiseAttribute\x12#\n\x0cstring_value\x18\x01 \x01(\tH\x00R\x0bstringValue\x12\x1d\n\tint_value\x18\x02 \x01(\x05H\x00R\x08intValueB\x07\n\x05value\"G\n\x05\x45rror\x12$\n\x0e\x66\x61iled_node_id\x18\x01 \x01(\tR\x0c\x66\x61iledNodeId\x12\x18\n\x07message\x18\x02 \x01(\tR\x07message*\x86\x01\n\nSimpleType\x12\x08\n\x04NONE\x10\x00\x12\x0b\n\x07INTEGER\x10\x01\x12\t\n\x05\x46LOAT\x10\x02\x12\n\n\x06STRING\x10\x03\x12\x0b\n\x07\x42OOLEAN\x10\x04\x12\x0c\n\x08\x44\x41TETIME\x10\x05\x12\x0c\n\x08\x44URATION\x10\x06\x12\n\n\x06\x42INARY\x10\x07\x12\t\n\x05\x45RROR\x10\x08\x12\n\n\x06STRUCT\x10\tB\xb0\x01\n\x11\x63om.flyteidl.coreB\nTypesProtoP\x01Z:github.com/flyteorg/flyte/flyteidl/gen/pb-go/flyteidl/core\xa2\x02\x03\x46\x43X\xaa\x02\rFlyteidl.Core\xca\x02\rFlyteidl\\Core\xe2\x02\x19\x46lyteidl\\Core\\GPBMetadata\xea\x02\x0e\x46lyteidl::Coreb\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x19\x66lyteidl/core/types.proto\x12\rflyteidl.core\x1a\x1cgoogle/protobuf/struct.proto\"\xa1\x02\n\nSchemaType\x12@\n\x07\x63olumns\x18\x03 \x03(\x0b\x32&.flyteidl.core.SchemaType.SchemaColumnR\x07\x63olumns\x1a\xd0\x01\n\x0cSchemaColumn\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12K\n\x04type\x18\x02 \x01(\x0e\x32\x37.flyteidl.core.SchemaType.SchemaColumn.SchemaColumnTypeR\x04type\"_\n\x10SchemaColumnType\x12\x0b\n\x07INTEGER\x10\x00\x12\t\n\x05\x46LOAT\x10\x01\x12\n\n\x06STRING\x10\x02\x12\x0b\n\x07\x42OOLEAN\x10\x03\x12\x0c\n\x08\x44\x41TETIME\x10\x04\x12\x0c\n\x08\x44URATION\x10\x05\"\xc7\x02\n\x15StructuredDatasetType\x12L\n\x07\x63olumns\x18\x01 \x03(\x0b\x32\x32.flyteidl.core.StructuredDatasetType.DatasetColumnR\x07\x63olumns\x12\x16\n\x06\x66ormat\x18\x02 \x01(\tR\x06\x66ormat\x12\x30\n\x14\x65xternal_schema_type\x18\x03 \x01(\tR\x12\x65xternalSchemaType\x12\x32\n\x15\x65xternal_schema_bytes\x18\x04 \x01(\x0cR\x13\x65xternalSchemaBytes\x1a\x62\n\rDatasetColumn\x12\x12\n\x04name\x18\x01 \x01(\tR\x04name\x12=\n\x0cliteral_type\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x0bliteralType\"\xa7\x01\n\x08\x42lobType\x12\x16\n\x06\x66ormat\x18\x01 \x01(\tR\x06\x66ormat\x12R\n\x0e\x64imensionality\x18\x02 \x01(\x0e\x32*.flyteidl.core.BlobType.BlobDimensionalityR\x0e\x64imensionality\"/\n\x12\x42lobDimensionality\x12\n\n\x06SINGLE\x10\x00\x12\r\n\tMULTIPART\x10\x01\"\"\n\x08\x45numType\x12\x16\n\x06values\x18\x01 \x03(\tR\x06values\"C\n\tUnionType\x12\x36\n\x08variants\x18\x01 \x03(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x08variants\"\xd7\x01\n\rTypeStructure\x12\x10\n\x03tag\x18\x01 \x01(\tR\x03tag\x12V\n\x0e\x64\x61taclass_type\x18\x02 \x03(\x0b\x32/.flyteidl.core.TypeStructure.DataclassTypeEntryR\rdataclassType\x1a\\\n\x12\x44\x61taclassTypeEntry\x12\x10\n\x03key\x18\x01 \x01(\tR\x03key\x12\x30\n\x05value\x18\x02 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeR\x05value:\x02\x38\x01\"K\n\x0eTypeAnnotation\x12\x39\n\x0b\x61nnotations\x18\x01 \x01(\x0b\x32\x17.google.protobuf.StructR\x0b\x61nnotations\"\xbc\x05\n\x0bLiteralType\x12\x33\n\x06simple\x18\x01 \x01(\x0e\x32\x19.flyteidl.core.SimpleTypeH\x00R\x06simple\x12\x33\n\x06schema\x18\x02 \x01(\x0b\x32\x19.flyteidl.core.SchemaTypeH\x00R\x06schema\x12\x45\n\x0f\x63ollection_type\x18\x03 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeH\x00R\x0e\x63ollectionType\x12\x42\n\x0emap_value_type\x18\x04 \x01(\x0b\x32\x1a.flyteidl.core.LiteralTypeH\x00R\x0cmapValueType\x12-\n\x04\x62lob\x18\x05 \x01(\x0b\x32\x17.flyteidl.core.BlobTypeH\x00R\x04\x62lob\x12\x36\n\tenum_type\x18\x07 \x01(\x0b\x32\x17.flyteidl.core.EnumTypeH\x00R\x08\x65numType\x12^\n\x17structured_dataset_type\x18\x08 \x01(\x0b\x32$.flyteidl.core.StructuredDatasetTypeH\x00R\x15structuredDatasetType\x12\x39\n\nunion_type\x18\n \x01(\x0b\x32\x18.flyteidl.core.UnionTypeH\x00R\tunionType\x12\x33\n\x08metadata\x18\x06 \x01(\x0b\x32\x17.google.protobuf.StructR\x08metadata\x12=\n\nannotation\x18\t \x01(\x0b\x32\x1d.flyteidl.core.TypeAnnotationR\nannotation\x12:\n\tstructure\x18\x0b \x01(\x0b\x32\x1c.flyteidl.core.TypeStructureR\tstructureB\x06\n\x04type\"z\n\x0fOutputReference\x12\x17\n\x07node_id\x18\x01 \x01(\tR\x06nodeId\x12\x10\n\x03var\x18\x02 \x01(\tR\x03var\x12<\n\tattr_path\x18\x03 \x03(\x0b\x32\x1f.flyteidl.core.PromiseAttributeR\x08\x61ttrPath\"_\n\x10PromiseAttribute\x12#\n\x0cstring_value\x18\x01 \x01(\tH\x00R\x0bstringValue\x12\x1d\n\tint_value\x18\x02 \x01(\x05H\x00R\x08intValueB\x07\n\x05value\"G\n\x05\x45rror\x12$\n\x0e\x66\x61iled_node_id\x18\x01 \x01(\tR\x0c\x66\x61iledNodeId\x12\x18\n\x07message\x18\x02 \x01(\tR\x07message*\x90\x01\n\nSimpleType\x12\x08\n\x04NONE\x10\x00\x12\x0b\n\x07INTEGER\x10\x01\x12\t\n\x05\x46LOAT\x10\x02\x12\n\n\x06STRING\x10\x03\x12\x0b\n\x07\x42OOLEAN\x10\x04\x12\x0c\n\x08\x44\x41TETIME\x10\x05\x12\x0c\n\x08\x44URATION\x10\x06\x12\n\n\x06\x42INARY\x10\x07\x12\t\n\x05\x45RROR\x10\x08\x12\n\n\x06STRUCT\x10\t\x12\x08\n\x04JSON\x10\nB\xb0\x01\n\x11\x63om.flyteidl.coreB\nTypesProtoP\x01Z:github.com/flyteorg/flyte/flyteidl/gen/pb-go/flyteidl/core\xa2\x02\x03\x46\x43X\xaa\x02\rFlyteidl.Core\xca\x02\rFlyteidl\\Core\xe2\x02\x19\x46lyteidl\\Core\\GPBMetadata\xea\x02\x0e\x46lyteidl::Coreb\x06proto3')
 
 _globals = globals()
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
@@ -26,7 +26,7 @@
   _TYPESTRUCTURE_DATACLASSTYPEENTRY._options = None
   _TYPESTRUCTURE_DATACLASSTYPEENTRY._serialized_options = b'8\001'
   _globals['_SIMPLETYPE']._serialized_start=2264
-  _globals['_SIMPLETYPE']._serialized_end=2398
+  _globals['_SIMPLETYPE']._serialized_end=2408
   _globals['_SCHEMATYPE']._serialized_start=75
   _globals['_SCHEMATYPE']._serialized_end=364
   _globals['_SCHEMATYPE_SCHEMACOLUMN']._serialized_start=156
diff --git a/flyteidl/gen/pb_python/flyteidl/core/types_pb2.pyi b/flyteidl/gen/pb_python/flyteidl/core/types_pb2.pyi
index 9028afabd5..694a1961ee 100644
--- a/flyteidl/gen/pb_python/flyteidl/core/types_pb2.pyi
+++ b/flyteidl/gen/pb_python/flyteidl/core/types_pb2.pyi
@@ -19,6 +19,7 @@ class SimpleType(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
     BINARY: _ClassVar[SimpleType]
     ERROR: _ClassVar[SimpleType]
     STRUCT: _ClassVar[SimpleType]
+    JSON: _ClassVar[SimpleType]
 NONE: SimpleType
 INTEGER: SimpleType
 FLOAT: SimpleType
@@ -29,6 +30,7 @@ DURATION: SimpleType
 BINARY: SimpleType
 ERROR: SimpleType
 STRUCT: SimpleType
+JSON: SimpleType
 
 class SchemaType(_message.Message):
     __slots__ = ["columns"]
diff --git a/flyteidl/gen/pb_rust/flyteidl.core.rs b/flyteidl/gen/pb_rust/flyteidl.core.rs
index 215fa60f82..85882e8528 100644
--- a/flyteidl/gen/pb_rust/flyteidl.core.rs
+++ b/flyteidl/gen/pb_rust/flyteidl.core.rs
@@ -305,6 +305,7 @@ pub enum SimpleType {
     Binary = 7,
     Error = 8,
     Struct = 9,
+    Json = 10,
 }
 impl SimpleType {
     /// String value of the enum field names used in the ProtoBuf definition.
@@ -323,6 +324,7 @@ impl SimpleType {
             SimpleType::Binary => "BINARY",
             SimpleType::Error => "ERROR",
             SimpleType::Struct => "STRUCT",
+            SimpleType::Json => "JSON",
         }
     }
     /// Creates an enum from field names used in the ProtoBuf definition.
@@ -338,6 +340,7 @@ impl SimpleType {
             "BINARY" => Some(Self::Binary),
             "ERROR" => Some(Self::Error),
             "STRUCT" => Some(Self::Struct),
+            "JSON" => Some(Self::Json),
             _ => None,
         }
     }
@@ -404,6 +407,12 @@ pub struct Binary {
     #[prost(string, tag="2")]
     pub tag: ::prost::alloc::string::String,
 }
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Json {
+    #[prost(string, tag="1")]
+    pub value: ::prost::alloc::string::String,
+}
 /// A strongly typed schema that defines the interface of data retrieved from the underlying storage medium.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
@@ -448,7 +457,7 @@ pub struct StructuredDataset {
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Scalar {
-    #[prost(oneof="scalar::Value", tags="1, 2, 3, 4, 5, 6, 7, 8, 9")]
+    #[prost(oneof="scalar::Value", tags="1, 2, 3, 4, 5, 6, 7, 8, 9, 10")]
     pub value: ::core::option::Option<scalar::Value>,
 }
 /// Nested message and enum types in `Scalar`.
@@ -474,6 +483,8 @@ pub mod scalar {
         StructuredDataset(super::StructuredDataset),
         #[prost(message, tag="9")]
         Union(::prost::alloc::boxed::Box<super::Union>),
+        #[prost(message, tag="10")]
+        Json(super::Json),
     }
 }
 /// A simple value. This supports any level of nesting (e.g. array of array of array of Blobs) as well as simple primitives.
diff --git a/flyteidl/protos/flyteidl/core/literals.proto b/flyteidl/protos/flyteidl/core/literals.proto
index f886873ffb..1bbf6876e1 100644
--- a/flyteidl/protos/flyteidl/core/literals.proto
+++ b/flyteidl/protos/flyteidl/core/literals.proto
@@ -46,6 +46,10 @@ message Binary {
     string tag = 2;
 }
 
+message Json {
+    string value = 1;
+}
+
 // A strongly typed schema that defines the interface of data retrieved from the underlying storage medium.
 message Schema {
     string uri = 1;
@@ -88,6 +92,7 @@ message Scalar {
         google.protobuf.Struct generic = 7;
         StructuredDataset structured_dataset = 8;
         Union union = 9;
+        Json json = 10;
     }
 }
 
diff --git a/flyteidl/protos/flyteidl/core/types.proto b/flyteidl/protos/flyteidl/core/types.proto
index 3580eea9f0..006d483833 100644
--- a/flyteidl/protos/flyteidl/core/types.proto
+++ b/flyteidl/protos/flyteidl/core/types.proto
@@ -18,6 +18,7 @@ enum SimpleType {
     BINARY = 7;
     ERROR = 8;
     STRUCT = 9;
+    JSON = 10;
 }
 
 // Defines schema columns and types to strongly type-validate schemas interoperability.