[android-components](../../../index.md) / [mozilla.components.concept.toolbar](../../index.md) / [Toolbar](../index.md) / [ActionButton](index.md) / [visible](./visible.md)

# visible

`open val visible: () -> `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/toolbar/src/main/java/mozilla/components/concept/toolbar/Toolbar.kt#L189)

Overrides [Action.visible](../-action/visible.md)

Lambda that returns true or false to indicate whether this button should be shown.

