Home > @firebase/auth > MultiFactorError

MultiFactorError interface

The error thrown when the user needs to provide a second factor to sign in successfully.

Signature:

export interface MultiFactorError extends AuthError 

Extends: AuthError

Description

The error code for this error is auth/multi-factor-auth-required.

Example

let resolver;
let multiFactorHints;

signInWithEmailAndPassword(auth, email, password)
    .then((result) => {
      // User signed in. No 2nd factor challenge is needed.
    })
    .catch((error) => {
      if (error.code == 'auth/multi-factor-auth-required') {
        resolver = getMultiFactorResolver(auth, error);
        multiFactorHints = resolver.hints;
      } else {
        // Handle other errors.
      }
    });

// Obtain a multiFactorAssertion by verifying the second factor.

const userCredential = await resolver.resolveSignIn(multiFactorAssertion);

Properties

Property	Type	Description
operationType	OperationType	The type of operation (e.g., sign-in, link, or reauthenticate) during which the error was raised.