[android-components](../../index.md) / [mozilla.components.service.fxa](../index.md) / [FxaAccountManager](index.md) / [beginAuthentication](./begin-authentication.md)

# beginAuthentication

`fun beginAuthentication(): Deferred<`[`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/FxaAccountManager.kt#L226)