/enums/asset_type.proto 

--- v20/enums/asset_type.proto  2025-08-05 14:39:35.000000000 +0000
+++ v21/enums/asset_type.proto  2025-08-05 14:39:43.000000000 +0000
@@ -123,5 +123,8 @@

     // App deep link asset.
     APP_DEEP_LINK = 31;
+
+    // YouTube video list asset.
+    YOUTUBE_VIDEO_LIST = 32;
   }
 }