# $taxRulesField->kirby()

> Returns the Kirby instance

- Source: `src/Form/Mixin/Model.php#L21` <https://github.com/getkirby/kirby/blob/6.0.0-beta.1/src/Form/Mixin/Model.php#L21>
- Inherited from Kirby, not part of the Merx API. See <https://getkirby.com/docs/reference>.

```php
$taxRulesField->kirby(): Kirby\Cms\App
```

## Return type

`Kirby\Cms\App`

## Parent class

`Wagnerwagner\Merx\TaxRulesField` inherited from `Kirby\Form\Field`