[android-components](../../index.md) / [mozilla.components.feature.toolbar](../index.md) / [ToolbarPresenter](index.md) / [onTrackerBlocked](./on-tracker-blocked.md)

# onTrackerBlocked

`fun onTrackerBlocked(session: `[`Session`](../../mozilla.components.browser.session/-session/index.md)`, tracker: `[`Tracker`](../../mozilla.components.concept.engine.content.blocking/-tracker/index.md)`, all: `[`List`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[`Tracker`](../../mozilla.components.concept.engine.content.blocking/-tracker/index.md)`>): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/feature/toolbar/src/main/java/mozilla/components/feature/toolbar/ToolbarPresenter.kt#L102)

Overrides [Observer.onTrackerBlocked](../../mozilla.components.browser.session/-session/-observer/on-tracker-blocked.md)

