diff --git a/docs/snippets.md b/docs/snippets.md
index 77565f3c1..922ea82c6 100644
--- a/docs/snippets.md
+++ b/docs/snippets.md
@@ -88,3 +88,28 @@ add_filter( 'dt_push_post_args', function( $post_body, $post ) {
     return $post_body;
 }, 10, 2 );
 ```
+
+### Set custom meta data on distributed content.
+
+Site owners may wish to modify the meta data on distributed content upon pushing or pulling.
+
+To set an item of meta data you can use the `dt_after_set_meta` hook.
+
+```php
+/**
+ * Automatically store custom meta data on distributed posts.
+ */
+add_action( 'dt_after_set_meta', function( $meta, $existing_meta, $post_id ) {
+	update_post_meta( $post_id, 'myplugin_custom_meta', 'some_value', true );
+}, 10, 3 );
+
+/**
+ * Automatically unlink a post once it is distributed.
+ *
+ * This prevents updates to the original content from modifying the copies
+ * distributed on other sites.
+ */
+add_action( 'dt_after_set_meta', function( $meta, $existing_meta, $post_id ) {
+	update_post_meta( $post_id, 'dt_unlinked', '1', true );
+}, 10, 3 );
+```
diff --git a/includes/classes/ExternalConnections/WordPressExternalConnection.php b/includes/classes/ExternalConnections/WordPressExternalConnection.php
index 01c5d9389..6959d0b0d 100644
--- a/includes/classes/ExternalConnections/WordPressExternalConnection.php
+++ b/includes/classes/ExternalConnections/WordPressExternalConnection.php
@@ -428,7 +428,7 @@ public function pull( $items ) {
 				update_post_meta( $new_post, 'dt_full_connection', true );
 			}
 
-			if ( ! empty( $post_array['meta'] ) ) {
+			if ( isset( $post_array['meta'] ) && is_array( $post_array['meta'] ) ) {
 				// Filter documented in includes/classes/InternalConnections/NetworkSiteConnection.php.
 				if ( apply_filters( 'dt_pull_post_meta', true, $new_post, $post_array['meta'], $item_array['remote_post_id'], $post_array, $this ) ) {
 					\Distributor\Utils\set_meta( $new_post, $post_array['meta'] );
diff --git a/tests/php/WordPressExternalConnectionTest.php b/tests/php/WordPressExternalConnectionTest.php
index 6c8b587fa..78c8e85ee 100644
--- a/tests/php/WordPressExternalConnectionTest.php
+++ b/tests/php/WordPressExternalConnectionTest.php
@@ -267,6 +267,15 @@ public function test_pull() {
 		\WP_Mock::userFunction( 'get_current_user_id' );
 		\WP_Mock::userFunction( 'delete_post_meta' );
 
+		\WP_Mock::userFunction(
+			'apply_filters_deprecated',
+			[
+				'return' => function( $name, $args ) {
+					return $args[0];
+				},
+			]
+		);
+
 		\WP_Mock::userFunction(
 			'wp_remote_retrieve_headers', [
 				'return' => [