[android-components](../../../index.md) / [mozilla.components.concept.engine](../../index.md) / [EngineSession](../index.md) / [TrackingProtectionPolicy](index.md) / [contains](./contains.md)

# contains

`fun contains(category: `[`TrackingCategory`](-tracking-category/index.md)`): `[`Boolean`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-boolean/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/engine/src/main/java/mozilla/components/concept/engine/EngineSession.kt#L318)