# atmos validate schema

Use this command to validate files against the rules defined in your schema in atmos.yaml.

**Configure Schema Validation**

Learn how to configure custom schema validators for YAML files in your atmos.yaml.

Configuration Reference[Read more](/cli/configuration/schemas)

## Usage

Execute the `validate schema` command like this:

```shell
atmos validate schema
```

This command validates files against the formatting rules defined in your .editorconfig file.

:::tip
Run `atmos validate schema --help` to see all the available options
:::

## Examples

```shell
atmos validate schema
atmos validate schema <my_custom_key>
```

## How to set my schema validators?

You need to use the `schemas` key in atmos config.

```yaml
schemas:
    my_custom_key:
        schema: !import https://www.jsonschema.com/example.json # json to be used for validation
        matches:
            - folder/*.yaml # pattern of the file to be validated
```

## Flags

- **`--schemas-atmos-manifest` (optional)**
  Specifies the path to a JSON schema file used to validate the structure and content of the Atmos manifest file.