feat: Add labels field for Predict API for Imagen use case (v1beta)

Google APIs · copybara-github · commit 7f0c1e5d7a45 · 2025-10-06T11:04:10.000-07:00
PiperOrigin-RevId: 815803050
diff --git a/google/cloud/aiplatform/v1beta1/prediction_service.proto b/google/cloud/aiplatform/v1beta1/prediction_service.proto
@@ -273,6 +273,10 @@ message PredictRequest {
   // [PredictSchemata's][google.cloud.aiplatform.v1beta1.Model.predict_schemata]
   // [parameters_schema_uri][google.cloud.aiplatform.v1beta1.PredictSchemata.parameters_schema_uri].
   google.protobuf.Value parameters = 3;
+
+  // Optional. The user labels for Imagen billing usage only. Only Imagen
+  // supports labels. For other use cases, it will be ignored.
+  map<string, string> labels = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response message for
