/services/reach_plan_service.proto

--- v22/services/reach_plan_service.proto   2026-01-23 15:36:24.000000000 +0000
+++ v23/services/reach_plan_service.proto   2026-01-23 15:36:33.000000000 +0000
@@ -213,9 +213,14 @@

   // The code associated with the plannable product (for example: DEMAND_GEN).
   // To list all plannable product codes, use
-  // [ReachPlanService.ListPlannableProducts][google.ads.googleads.v22.services.ReachPlanService.ListPlannableProducts].
+  // [ReachPlanService.ListPlannableProducts][google.ads.googleads.v23.services.ReachPlanService.ListPlannableProducts].
   string plannable_product_code = 2;

+  // The surfaces associated with the plannable product.
+  // If not present, the conversion rate is considered surface agnostic for this
+  // product.
+  optional SurfaceTargeting surface_targeting = 4;
+
   // The suggested conversion rate. The value is between 0 and 1 (exclusive).
   double conversion_rate = 3;
 }