/enums/conversion_origin.proto 

--- v23/enums/conversion_origin.proto   2026-06-18 21:38:46.000000000 +0000
+++ v24/enums/conversion_origin.proto   2026-06-18 21:38:53.000000000 +0000
@@ -59,5 +59,10 @@

     // Conversion that occurs on YouTube.
     YOUTUBE_HOSTED = 7;
+
+    // Conversion that occurs when a user clicks on local services ads unit and
+    // reaches out to advertiser through phone call, message, or booking options
+    // on the ad.
+    LOCAL_SERVICES_ADS = 8;
   }
 }