| Name | Type | Description | Notes |
|---|---|---|---|
| stop | String | Use `current` to stop only the current audio or `all` to stop all audios in the queue. | [optional] |
| clientState | String | Use this field to add state to every subsequent webhook. It must be a valid Base-64 encoded string. | [optional] |
| commandId | String | Use this field to avoid duplicate commands. Telnyx will ignore commands with the same `command_id`. | [optional] |