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

# trackingCategories

`val trackingCategories: `[`Array`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-array/index.html)`<`[`TrackingCategory`](-tracking-category/index.md)`>` [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/engine/src/main/java/mozilla/components/concept/engine/EngineSession.kt#L164)