/enums/audience_insights_dimension.proto 

--- v22/enums/audience_insights_dimension.proto 2026-01-23 15:36:17.000000000 +0000
+++ v23/enums/audience_insights_dimension.proto 2026-01-23 15:36:29.000000000 +0000
@@ -81,5 +81,8 @@

     // A User List.
     USER_LIST = 17;
+
+    // A Life Event UserInterest.
+    LIFE_EVENT_USER_INTEREST = 18;
   }
 }