/enums/conversion_value_rule_primary_dimension.proto 

--- v24/enums/conversion_value_rule_primary_dimension.proto 2026-08-13 23:22:17.000000000 +0000
+++ v25/enums/conversion_value_rule_primary_dimension.proto 2026-08-13 23:22:26.000000000 +0000
@@ -61,5 +61,8 @@

     // When a query-time itinerary condition is satisfied.
     ITINERARY = 9;
+
+    // When a loyalty membership condition is satisfied.
+    LOYALTY_MEMBERSHIP = 10;
   }
 }