/resources/currency_constant.proto

--- v25/resources/currency_constant.proto   2026-10-09 20:58:02.000000000 +0000
+++ v26/resources/currency_constant.proto   2026-10-09 20:58:08.000000000 +0000
@@ -37,6 +37,14 @@
     pattern: "currencyConstants/{code}"
   };

+  // Constants for Demand Gen campaigns in this currency.
+  message DemandGenInfo {
+    // Output only. The minimum budget per day for a Demand Gen campaign in this
+    // currency.
+    optional int64 minimum_budget_per_day_micros = 1
+        [(google.api.field_behavior) = OUTPUT_ONLY];
+  }
+
   // Output only. The resource name of the currency constant.
   // Currency constant resource names have the form:
   //
@@ -62,4 +70,8 @@
   // multiples of this value.
   optional int64 billable_unit_micros = 9
       [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. Constants for Demand Gen campaigns in this currency.
+  optional DemandGenInfo demand_gen_info = 10
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }