# Object03
## Properties
**id** | **String** | Unique identifier for this audio response. |
**expires_at** | **i32** | The Unix timestamp (in seconds) for when this audio response will no longer be accessible on the server for use in multi-turn conversations. |
**data** | **String** | Base64 encoded audio bytes generated by the model, in the format specified in the request. |
**transcript** | **String** | Transcript of the audio generated by the model. |
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