feat: Tuning PreTunedModel API field

Google APIs · copybara-github · commit 9412ec4c3d09 · 2025-09-04T14:18:02.000-07:00
PiperOrigin-RevId: 803171691
diff --git a/google/cloud/aiplatform/v1beta1/tuning_job.proto b/google/cloud/aiplatform/v1beta1/tuning_job.proto
@@ -47,6 +47,9 @@ message TuningJob {
     // The base model that is being tuned. See [Supported
     // models](https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/tuning#supported_models).
     string base_model = 4;
+
+    // The pre-tuned model for continuous tuning.
+    PreTunedModel pre_tuned_model = 31;
   }
 
   oneof tuning_spec {
@@ -676,3 +679,29 @@ message TunedModelCheckpoint {
   // `projects/{project}/locations/{location}/endpoints/{endpoint}`.
   string endpoint = 4;
 }
+
+// A pre-tuned model for continuous tuning.
+message PreTunedModel {
+  // The resource name of the Model.
+  // E.g., a model resource name with a specified version id or alias:
+  //
+  // `projects/{project}/locations/{location}/models/{model}@{version_id}`
+  //
+  // `projects/{project}/locations/{location}/models/{model}@{alias}`
+  //
+  // Or, omit the version id to use the default version:
+  //
+  // `projects/{project}/locations/{location}/models/{model}`
+  string tuned_model_name = 1 [(google.api.resource_reference) = {
+    type: "aiplatform.googleapis.com/Model"
+  }];
+
+  // Optional. The source checkpoint id. If not specified, the default
+  // checkpoint will be used.
+  string checkpoint_id = 2 [(google.api.field_behavior) = OPTIONAL];
+
+  // Output only. The name of the base model this
+  // [PreTunedModel][google.cloud.aiplatform.v1beta1.PreTunedModel] was tuned
+  // from.
+  string base_model = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+}
