/services/recommendation_service.proto

--- v25/services/recommendation_service.proto   2026-10-26 16:32:23.000000000 +0000
+++ v26/services/recommendation_service.proto   2026-10-26 16:32:28.000000000 +0000
@@ -265,6 +265,30 @@
     double target_roas_multiplier = 1 [(google.api.field_behavior) = REQUIRED];
   }

+  // Parameters to use when applying Raise Budget Performance Too Low
+  // recommendations.
+  message RaiseBudgetPerformanceTooLowParameters {
+    // Required. New budget amount in micros of the account's local currency.
+    // This is a required field.
+    int64 new_budget_amount_micros = 1 [(google.api.field_behavior) = REQUIRED];
+  }
+
+  // Parameters to use when applying Optimize For New Customers recommendations.
+  message OptimizeForNewCustomersParameters {
+    // Optional. Incremental conversion value set at the account level for each
+    // new customer acquired. This is a standard floating-point value expressed
+    // in units of the account's local currency, not in micros.
+    optional double account_default_incremental_conversion_value = 1
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Incremental conversion value set at the campaign level for each
+    // new customer acquired, overriding the account default value. This is a
+    // standard floating-point value expressed in units of the account's local
+    // currency, not in micros.
+    optional double campaign_override_incremental_conversion_value = 2
+        [(google.api.field_behavior) = OPTIONAL];
+  }
+
   // Common parameters used when applying ad asset recommendations.
   message AdAssetApplyParameters {
     // Scope to apply the assets to.
@@ -463,6 +487,15 @@
     // recommendation.
     LowerTargetRoasPerformanceBidTooLowParameters
         lower_target_roas_performance_bid_too_low = 27;
+
+    // Parameters to use when applying Raise Budget Performance Too Low
+    // recommendation.
+    RaiseBudgetPerformanceTooLowParameters raise_budget_performance_too_low =
+        28;
+
+    // Parameters to use when applying Optimize For New Customers
+    // recommendation.
+    OptimizeForNewCustomersParameters optimize_for_new_customers = 29;
   }
 }