/resources/ad_group.proto

--- v18/resources/ad_group.proto    2025-08-05 14:36:07.000000000 +0000
+++ v19/resources/ad_group.proto    2025-08-05 14:36:19.000000000 +0000
@@ -56,6 +58,54 @@
     bool use_audience_grouped = 1 [(google.api.field_behavior) = IMMUTABLE];
   }

+  // Settings for Demand Gen ad groups.
+  message DemandGenAdGroupSettings {
+    // Channel controls for Demand Gen ad groups.
+    message DemandGenChannelControls {
+      // Explicitly selected channels for channel controls in Demand Gen ad
+      // groups.
+      message DemandGenSelectedChannels {
+        // Whether to enable ads on the YouTube In-Stream channel.
+        bool youtube_in_stream = 1;
+
+        // Whether to enable ads on the YouTube In-Feed channel.
+        bool youtube_in_feed = 2;
+
+        // Whether to enable ads on the YouTube Shorts channel.
+        bool youtube_shorts = 3;
+
+        // Whether to enable ads on the Discover channel.
+        bool discover = 4;
+
+        // Whether to enable ads on the Gmail channel.
+        bool gmail = 5;
+
+        // Whether to enable ads on the Display channel.
+        bool display = 6;
+      }
+
+      // Output only. Channel configuration reflecting which field in the oneof
+      // is populated.
+      google.ads.googleads.v19.enums.DemandGenChannelConfigEnum
+          .DemandGenChannelConfig channel_config = 1
+          [(google.api.field_behavior) = OUTPUT_ONLY];
+
+      // Oneof between the different channel control configuration options.
+      oneof channel_configuration {
+        // High level channel strategy.
+        google.ads.googleads.v19.enums.DemandGenChannelStrategyEnum
+            .DemandGenChannelStrategy channel_strategy = 2;
+
+        // Explicitly selected channels. This field should be set with at
+        // least one true value when present.
+        DemandGenSelectedChannels selected_channels = 3;
+      }
+    }
+
+    // Channel controls for Demand Gen ad groups.
+    DemandGenChannelControls channel_controls = 1;
+  }
+
   // Immutable. The resource name of the ad group.
   // Ad group resource names have the form:
   //
@@ -251,7 +301,10 @@

   // Output only. Provides reasons for why an ad group is not serving or not
   // serving optimally.
-  repeated google.ads.googleads.v18.enums.AdGroupPrimaryStatusReasonEnum
+  repeated google.ads.googleads.v19.enums.AdGroupPrimaryStatusReasonEnum
       .AdGroupPrimaryStatusReason primary_status_reasons = 63
       [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Settings for Demand Gen ad groups.
+  DemandGenAdGroupSettings demand_gen_ad_group_settings = 91;
 }