# ChatCompletionAudioOutput Audio output data or reference ## Fields | Field | Type | Required | Description | | -------------------------- | -------------------------- | -------------------------- | -------------------------- | | `id` | *Optional[str]* | :heavy_minus_sign: | Audio output identifier | | `expires_at` | *Optional[float]* | :heavy_minus_sign: | Audio expiration timestamp | | `data` | *Optional[str]* | :heavy_minus_sign: | Base64 encoded audio data | | `transcript` | *Optional[str]* | :heavy_minus_sign: | Audio transcript |