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# File type (executable)

> Reference for the `File type (executable)` schema.

## Referenced In

* [config](/reference/schemas/config)

## Fields

| Field      | Type                                                                                                     | Description                                                                                          | Default |
| :--------- | :------------------------------------------------------------------------------------------------------- | :--------------------------------------------------------------------------------------------------- | :------ |
| extensions | one of: - string - array of string                                                                       | Required. File extensions to use with type.                                                          | —       |
| runShell   | one of: - string - object([Run shell command (detailed)](/reference/schemas/run-shell-command-detailed)) | Optional. `runShell` step to perform for this file type. Use \$1 as a placeholder for the file path. | —       |

## Examples

```json
{
  "extensions": "example",
  "runShell": "example"
}
```