/common/audience_insights_attribute.proto 

--- v24/common/audience_insights_attribute.proto    2026-07-21 22:02:13.000000000 +0000
+++ v25/common/audience_insights_attribute.proto    2026-07-21 22:02:31.000000000 +0000
@@ -186,11 +186,20 @@
   int64 comments_count = 5;

   // The properties of this video (such as shorts, live stream).
-  repeated google.ads.googleads.v24.enums.YouTubeVideoPropertyEnum
+  repeated google.ads.googleads.v25.enums.YouTubeVideoPropertyEnum
       .YouTubeVideoProperty video_properties = 6;

   // The date that the video was created. Formatted as "yyyy-mm-dd".
   string publish_date = 7;
+
+  // The ID of the YouTube channel that published the video.
+  string channel_id = 8;
+
+  // The name of the YouTube channel that published the video.
+  string channel_name = 9;
+
+  // The URL of the YouTube channel that published the video.
+  string channel_url = 10;
 }

 // Metadata associated with a Lineup attribute.