[Home](./index.md) > [@firebase/auth](./auth.md) > [ProviderId](./auth.providerid.md) ## ProviderId enum Enumeration of supported providers. Signature: ```typescript export declare const enum ProviderId ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | ANONYMOUS | "anonymous" | | | CUSTOM | "custom" | | | FACEBOOK | "facebook.com" | | | FIREBASE | "firebase" | | | GITHUB | "github.com" | | | GOOGLE | "google.com" | | | PASSWORD | "password" | | | PHONE | "phone" | | | TWITTER | "twitter.com" | |