> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vivix.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# response.render.started

Returned when avatar output attributable to a response starts rendering over RTC. This can be model-generated avatar output, scripted speech or audio, or a visual-only scripted action.

## Event fields

<ResponseField name="event_id" type="string" required>
  The unique ID of the server event.
</ResponseField>

<ResponseField name="type" type="string" required>
  Event type. Must be `response.render.started`.
</ResponseField>

<ResponseField name="response_id" type="string" required>
  The response whose avatar output started rendering.
</ResponseField>

<ResponseExample>
  ```json response.render.started theme={null}
  {
    "event_id": "evt_response_render_started_001",
    "type": "response.render.started",
    "response_id": "resp_001"
  }
  ```
</ResponseExample>