/resources/asset_group_asset.proto

--- v14/resources/asset_group_asset.proto   2023-10-19 02:11:04.000000000 +0000
+++ v15/resources/asset_group_asset.proto   2023-10-19 02:11:09.000000000 +0000
@@ -98,10 +99,14 @@
       primary_status_details = 10 [(google.api.field_behavior) = OUTPUT_ONLY];

   // Output only. The performance of this asset group asset.
-  google.ads.googleads.v14.enums.AssetPerformanceLabelEnum.AssetPerformanceLabel
+  google.ads.googleads.v15.enums.AssetPerformanceLabelEnum.AssetPerformanceLabel
       performance_label = 6 [(google.api.field_behavior) = OUTPUT_ONLY];

   // Output only. The policy information for this asset group asset.
-  google.ads.googleads.v14.common.PolicySummary policy_summary = 7
+  google.ads.googleads.v15.common.PolicySummary policy_summary = 7
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Source of the asset group asset.
+  google.ads.googleads.v15.enums.AssetSourceEnum.AssetSource source = 11
       [(google.api.field_behavior) = OUTPUT_ONLY];
 }