[Home](./index.md) > [@firebase/auth](./auth.md) > [FacebookAuthProvider](./auth.facebookauthprovider.md) > [PROVIDER\_ID](./auth.facebookauthprovider.provider_id.md) ## FacebookAuthProvider.PROVIDER\_ID property Always set to [ProviderId.FACEBOOK](./auth.providerid.facebook.md). Signature: ```typescript static readonly PROVIDER_ID = ProviderId.FACEBOOK; ```