# Sync firebase's authentication with firestore using `ngx-auth-firebaseui` These are few example related to the synchronization of the authenticated user with firestore ## Sign in ![ngx-auth-firebaseui's synchronization with firestore](assets/v1.0.0/gif/sign_in.gif) ## Sign in with a provider e.g: Google ![ngx-auth-firebaseui's synchronization with firestore](assets/v1.0.0/gif/sign_in_google.gif) ## Sign in anonymously ![ngx-auth-firebaseui's synchronization with firestore](assets/v1.0.0/gif/sign_in_anonymously.gif) ## Sign in with error - NO sync! ![ngx-auth-firebaseui's synchronization with firestore](assets/v1.0.0/gif/sign_in_error.gif) ## sign up | register ![ngx-auth-firebaseui's synchronization with firestore](assets/v1.0.0/gif/register.gif)