[android-components](../../../index.md) / [mozilla.components.concept.engine.permission](../../index.md) / [Permission](../index.md) / [ContentNotification](index.md) / [id](./id.md)

# id

`val id: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html)`?` [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/concept/engine/src/main/java/mozilla/components/concept/engine/permission/PermissionRequest.kt#L74)

Overrides [Permission.id](../id.md)

an optional native engine-specific ID of this permission.

### Property

`id` - an optional native engine-specific ID of this permission.