/enums/reach_plan_surface.proto 

--- v22/enums/reach_plan_surface.proto  2026-03-19 17:15:55.000000000 +0000
+++ v23/enums/reach_plan_surface.proto  2026-03-19 17:16:02.000000000 +0000
@@ -57,5 +57,11 @@

     // Shorts ad surface.
     SHORTS = 6;
+
+    // Google Display Network ad surface.
+    GOOGLE_DISPLAY_NETWORK = 9;
+
+    // In-Stream non-skippable (30 seconds) ad surface.
+    IN_STREAM_NON_SKIPPABLE_THIRTY_SECONDS = 10;
   }
 }