# When

- Full class name: `Kirby\Form\Mixin\When`
- Source: <https://github.com/getkirby/kirby/tree/5.5.3/src/Form/Mixin/When.php#L12>

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### When

- [$when->isActive()](https://getkirby.com/docs/reference/objects/form-mixin/when/is-active.md)
- [$when->when()](https://getkirby.com/docs/reference/objects/form-mixin/when/when.md)