# Schema block

|     |     |
| --- | --- |
|  | This documentation is for<br>an as-yet unreleased<br>version of Cerbos PDP. Choose 0.53.0 from the version picker at the top right or navigate to [https://docs.cerbos.dev](https://docs.cerbos.dev/) for the latest version. |

See [Schemas](https://docs.cerbos.dev/cerbos/prerelease/policies/schemas) for more information about schemas.

## Enforcement

`enforcement` can be set to one of the following three values:

- `none` (default): Do not validate requests using schemas

- `warn`: Validate requests and log warnings when there are validation failures

- `reject`: Deny the request if it fails validation

```yaml
schema:
  enforcement: reject
```