| Name | Type | Description | Notes |
|---|---|---|---|
| type | string | Closed vocabulary - see docs/adr/0003-error-model.md. | |
| message | string | ||
| request_id | string | UnifAPI request id, e.g. `unif_<id>`. Source ids are not exposed. | [optional] |
| issues | mixed[] | Present only when type=validation_error. | [optional] |
| billing | \Unifapi\Sdk\Model\ErrorBilling | [optional] |