[android-components](../../../index.md) / [mozilla.components.feature.session](../../index.md) / [TrackingProtectionUseCases](../index.md) / [FetchExceptionsUseCase](./index.md)

# FetchExceptionsUseCase

`class FetchExceptionsUseCase` [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/feature/session/src/main/java/mozilla/components/feature/session/TrackingProtectionUseCases.kt#L125)

Use case for fetching all exceptions in the exception list.

### Functions

| Name | Summary |
|---|---|
| [invoke](invoke.md) | `operator fun invoke(onResult: (`[`List`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.collections/-list/index.html)`<`[`TrackingProtectionException`](../../../mozilla.components.concept.engine.content.blocking/-tracking-protection-exception/index.md)`>) -> `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)`): `[`Unit`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-unit/index.html)<br>Fetch all domains that will be ignored for tracking protection. |
