[Home](./index.md) > [@firebase/auth](./auth.md) > [FacebookAuthProvider](./auth.facebookauthprovider.md) > [FACEBOOK\_SIGN\_IN\_METHOD](./auth.facebookauthprovider.facebook_sign_in_method.md) ## FacebookAuthProvider.FACEBOOK\_SIGN\_IN\_METHOD property Always set to [SignInMethod.FACEBOOK](./auth.signinmethod.facebook.md). Signature: ```typescript static readonly FACEBOOK_SIGN_IN_METHOD = SignInMethod.FACEBOOK; ```