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IMPORTANT: In July 2025, we stopped releasing new versions of KTX modules, and we removed the KTX libraries from the Firebase Android BoM (v34.0.0). If you use KTX APIs from the previously released KTX modules, we recommend that you migrate your app to use KTX APIs from the main modules instead. For details, see the FAQ about this initiative.

FacebookAuthProvider

class FacebookAuthProvider

Represents the Facebook Login authentication provider. Use this class to obtain s.

Summary

Constants
`const String!`	`FACEBOOK_SIGN_IN_METHOD = "facebook.com"` Unique string identifier for Facebook sign-in method.
`const String!`	`PROVIDER_ID = "facebook.com"` Unique string identifier for this provider type.

Public functions
`java-static AuthCredential`	`getCredential(accessToken: String)` Returns a new instance of `AuthCredential` that wraps a Facebook Login token.

Constants

FACEBOOK_SIGN_IN_METHOD

const val FACEBOOK_SIGN_IN_METHOD = "facebook.com": String!

Unique string identifier for Facebook sign-in method.

PROVIDER_ID

const val PROVIDER_ID = "facebook.com": String!

Unique string identifier for this provider type.

Public functions

getCredential

java-static fun getCredential(accessToken: String): AuthCredential

Returns a new instance of AuthCredential that wraps a Facebook Login token. Used when calling signInWithCredential or linkWithCredential.

Parameters
`accessToken: String`	a valid Facebook Login access token, obtained from the Facebook Login SDK

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Last updated 2025-07-21 UTC.