# ChatMessageContentItemCacheControl


## Fields

| Field                                            | Type                                             | Required                                         | Description                                      |
| ------------------------------------------------ | ------------------------------------------------ | ------------------------------------------------ | ------------------------------------------------ |
| `type`                                           | *Literal["ephemeral"]*                           | :heavy_check_mark:                               | N/A                                              |
| `ttl`                                            | [Optional[components.TTL]](../components/ttl.md) | :heavy_minus_sign:                               | N/A                                              |