# Recording

> The Recording object.

| Field | Type | Description |
|---|---|---|
| `audio_channels` | object | Who is on each channel of the stereo file: the caller left, the agent right. |
| `content_type` | string |  |
| `conversation_id` | string (uuid) |  |
| `duration_seconds` | number or null |  |
| `expires_at` | string (date-time) |  |
| `object` | `recording` |  |
| `url` | string | A link to the audio. It stops working at `expires_at`. |