diff --git a/mmv1/products/vertexai/Endpoint.yaml b/mmv1/products/vertexai/Endpoint.yaml
index aaf985fced27..4a6bc362f498 100644
--- a/mmv1/products/vertexai/Endpoint.yaml
+++ b/mmv1/products/vertexai/Endpoint.yaml
@@ -367,15 +367,15 @@ properties:
           output: true
   - name: 'trafficSplit'
     type: String
+    default_from_api: true
     description: |
       A map from a DeployedModel's id to the percentage of this Endpoint's traffic that should be forwarded to that DeployedModel.
       If a DeployedModel's id is not listed in this map, then it receives no traffic.
-      The traffic percentage values must add up to 100, or map must be empty if the Endpoint is to not accept any traffic at a moment.
-
-      ~> **Note:** The `traffic_split` setting only applies after a model has been deployed to the endpoint. Re-applying a `google_vertex_ai_endpoint`
-      resource without updating the `traffic_split` post-deployment may lead to your deployed `traffic_split` being lost; see
+      The traffic percentage values must add up to 100, or map must be empty if the Endpoint is to not accept any traffic at a moment. See
       the `deployModel` [example](https://cloud.google.com/vertex-ai/docs/general/deployment#deploy_a_model_to_an_endpoint) and
-      [documentation](https://cloud.google.com/vertex-ai/docs/reference/rest/v1beta1/projects.locations.endpoints/deployModel) for details.
+      [documentation](https://cloud.google.com/vertex-ai/docs/reference/rest/v1beta1/projects.locations.endpoints/deployModel) for more information.
+
+      ~> **Note:** To set the map to empty, set `"{}"`, apply, and then remove the field from your config.
     state_func: 'func(v interface{}) string { s, _ := structure.NormalizeJsonString(v); return s }'
     custom_flatten: 'templates/terraform/custom_flatten/json_schema.tmpl'
     custom_expand: 'templates/terraform/custom_expand/json_schema.tmpl'