[android-components](../../index.md) / [mozilla.components.service.fxa](../index.md) / [FxaDeviceSettingsCache](index.md) / [cacheKey](./cache-key.md)

# cacheKey

`val cacheKey: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/service/firefox-accounts/src/main/java/mozilla/components/service/fxa/FxaDeviceSettingsCache.kt#L29)

Overrides [SharedPreferencesCache.cacheKey](../../mozilla.components.support.base.utils/-shared-preferences-cache/cache-key.md)

Name of the 'key' under which serialized data is stored within the cache.

