# Validation

- Full class name: `Kirby\Form\Mixin\Validation`
- Source: <https://github.com/getkirby/kirby/tree/5.5.3/src/Form/Mixin/Validation.php#L19>

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### Validation

- [$validation->errors()](https://getkirby.com/docs/reference/objects/form-mixin/validation/errors.md)
- [$validation->isInvalid()](https://getkirby.com/docs/reference/objects/form-mixin/validation/is-invalid.md)
- [$validation->isRequired()](https://getkirby.com/docs/reference/objects/form-mixin/validation/is-required.md)
- [$validation->isValid()](https://getkirby.com/docs/reference/objects/form-mixin/validation/is-valid.md)
- [$validation->required()](https://getkirby.com/docs/reference/objects/form-mixin/validation/required.md)