[Home](./index.md) > [@firebase/auth-types](./auth-types.md) > [SignInMethod](./auth-types.signinmethod.md) ## SignInMethod enum Enumeration of supported sign-in methods. Signature: ```typescript export const enum SignInMethod ``` ## Enumeration Members | Member | Value | Description | | --- | --- | --- | | ANONYMOUS | 'anonymous' | | | EMAIL\_LINK | 'emailLink' | | | EMAIL\_PASSWORD | 'password' | | | FACEBOOK | 'facebook.com' | | | GITHUB | 'github.com' | | | GOOGLE | 'google.com' | | | PHONE | 'phone' | | | TWITTER | 'twitter.com' | |