# $taxRulesField->help()

- Source: `src/Form/Mixin/Help.php#L22` <https://github.com/getkirby/kirby/blob/6.0.0-beta.1/src/Form/Mixin/Help.php#L22>
- Inherited from Kirby, not part of the Merx API. See <https://getkirby.com/docs/reference>.

```php
$taxRulesField->help(): null|Kirby\Toolkit\HtmlString
```

## Return type

`null|Kirby\Toolkit\HtmlString`

## Parent class

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