/resources/ad_group.proto 

--- v23/resources/ad_group.proto    2026-06-18 21:38:49.000000000 +0000
+++ v24/resources/ad_group.proto    2026-06-18 21:38:56.000000000 +0000
@@ -82,6 +82,9 @@

         // Whether to enable ads on the Display channel.
         bool display = 6;
+
+        // Whether to enable ads on the Maps channel.
+        bool maps = 7;
       }

       // Output only. Channel configuration reflecting which field in the oneof