diff --git a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Design.cshtml b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Design.cshtml
index a685e7d9459..b22755e982f 100644
--- a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Design.cshtml
+++ b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Design.cshtml
@@ -2,7 +2,9 @@
 @using OrchardCore.Workflows.Helpers
 @using OrchardCore.Roles.Workflows.Activities
 @using OrchardCore.Roles.Workflows.ViewModels
+
 @model ActivityViewModel<GetUsersByRoleTask>
+
 <header>
     <h4>
         <i class="fa-solid fa-user" aria-hidden="true"></i>@Model.Activity.GetTitleOrDefault(() => T["Get users in roles"])
diff --git a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Edit.cshtml b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Edit.cshtml
index a23bc783deb..e127ea6f91a 100644
--- a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Edit.cshtml
+++ b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/GetUsersByRoleTask.Fields.Edit.cshtml
@@ -1,4 +1,5 @@
 @using OrchardCore.Roles.Workflows.ViewModels
+
 @model GetUsersByRoleTaskViewModel
 
 <div class="mb-3" asp-validation-class-for="OutputKeyName">
diff --git a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/UnassignUserRoleTask.Fields.Design.cshtml b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/UnassignUserRoleTask.Fields.Design.cshtml
index acbf415abbf..8476667d3f6 100644
--- a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/UnassignUserRoleTask.Fields.Design.cshtml
+++ b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Items/UnassignUserRoleTask.Fields.Design.cshtml
@@ -2,7 +2,9 @@
 @using OrchardCore.Workflows.Helpers
 @using OrchardCore.Roles.Workflows.Activities
 @using OrchardCore.Roles.Workflows.ViewModels
+
 @model ActivityViewModel<UnassignUserRoleTask>
+
 <header>
     <h4>
         <i class="fa-solid fa-user" aria-hidden="true"></i>@Model.Activity.GetTitleOrDefault(() => T["Unassign user from roles"])
diff --git a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/GetUsersByRoleTask.cs b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/GetUsersByRoleTask.cs
index 4fe0ffa47dd..6bc17d1e86c 100644
--- a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/GetUsersByRoleTask.cs
+++ b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/GetUsersByRoleTask.cs
@@ -12,7 +12,7 @@
 
 namespace OrchardCore.Roles.Workflows.Activities;
 
-public class GetUsersByRoleTask : TaskActivity
+public class GetUsersByRoleTask : TaskActivity<GetUsersByRoleTask>
 {
     private readonly UserManager<IUser> _userManager;
     private readonly IWorkflowExpressionEvaluator _expressionEvaluator;
@@ -25,8 +25,6 @@ public GetUsersByRoleTask(UserManager<IUser> userManager, IWorkflowExpressionEva
         S = localizer;
     }
 
-    public override string Name => nameof(GetUsersByRoleTask);
-
     public override LocalizedString DisplayText => S["Get Users by Role Task"];
 
     public override LocalizedString Category => S["User"];
@@ -49,11 +47,12 @@ public override IEnumerable<Outcome> GetPossibleOutcomes(WorkflowExecutionContex
 
     public override async Task<ActivityExecutionResult> ExecuteAsync(WorkflowExecutionContext workflowContext, ActivityContext activityContext)
     {
-        var propKeyName = await _expressionEvaluator.EvaluateAsync(OutputKeyName, workflowContext, null);
+        var outputKeyName = await _expressionEvaluator.EvaluateAsync(OutputKeyName, workflowContext, null);
 
         if (!string.IsNullOrEmpty(propKeyName))
         {
-            var usersInRole = new List<User>();
+            var usersInRole = new Dictionary<string, User>();
+
             foreach (var role in Roles)
             {
                 foreach(var u in await _userManager.GetUsersInRoleAsync(role))
@@ -63,15 +62,13 @@ public override async Task<ActivityExecutionResult> ExecuteAsync(WorkflowExecuti
                         continue;
                     }
 
-                    usersInRole.Add(user);
+                    usersInRole.TryAdd(user.UserId, user);
                 }
             }
-            if (usersInRole.Count > 0)
-            {
-                workflowContext.Output[propKeyName] = usersInRole;
+            
+            workflowContext.Output[outputKeyName] = usersInRole.Values;
 
-                return Outcomes("Done");
-            }
+            return Outcomes("Done");
         }
 
         return Outcomes("Failed");
diff --git a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/UnassignUserRoleTask.cs b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/UnassignUserRoleTask.cs
index 41f52b9b7e8..17e6ab7a343 100644
--- a/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/UnassignUserRoleTask.cs
+++ b/src/OrchardCore.Modules/OrchardCore.Roles/Views/Workflows/Activities/UnassignUserRoleTask.cs
@@ -13,7 +13,7 @@
 
 namespace OrchardCore.Roles.Workflows.Activities;
 
-public class UnassignUserRoleTask : TaskActivity
+public class UnassignUserRoleTask : TaskActivity<UnassignUserRoleTask>
 {
     private readonly UserManager<IUser> _userManager;
     private readonly IUserService _userService;
@@ -28,8 +28,6 @@ public UnassignUserRoleTask(UserManager<IUser> userManager, IUserService userSer
         S = localizer;
     }
 
-    public override string Name => nameof(UnassignUserRoleTask);
-
     public override LocalizedString DisplayText => S["Unassign User Role Task"];
 
     public override LocalizedString Category => S["User"];