/enums/ad_network_type.proto

--- v19/enums/ad_network_type.proto 2025-08-05 14:37:37.000000000 +0000
+++ v20/enums/ad_network_type.proto 2025-08-05 14:37:43.000000000 +0000
@@ -55,9 +55,19 @@
     // Google TV
     GOOGLE_TV = 9;

-    // Google Owned Channels such as Discover feed, Gmail,
-    // YouTube. This network is only used by Demand Gen
-    // campaigns.
+    // This network is used for Google Owned channels such as
+    // Discover feed, Gmail, YouTube. Starting with V20, Demand Gen Stats will
+    // be attributed to more granular network types such as GMAIL, DISCOVER,
+    // MAPS, YOUTUBE; this value will only be used for historical data.
     GOOGLE_OWNED_CHANNELS = 10;
+
+    // Gmail
+    GMAIL = 11;
+
+    // Discover Feed
+    DISCOVER = 12;
+
+    // Maps
+    MAPS = 13;
   }
 }