/enums/conversion_action_category.proto

--- v22/enums/conversion_action_category.proto  2026-03-19 17:15:53.000000000 +0000
+++ v23/enums/conversion_action_category.proto  2026-03-19 17:16:01.000000000 +0000
@@ -108,5 +108,9 @@
     // has further completed a chosen stage as defined by the lead gen
     // advertiser.
     CONVERTED_LEAD = 23;
+
+    // User watches an ad from a channel and later watches either the same video
+    // or a video from the same channel as the ad.
+    YOUTUBE_FOLLOW_ON_VIEWS = 24;
   }
 }