Home > @firebase/auth > updatePhoneNumber

updatePhoneNumber() function

Updates the user's phone number.

Signature:

export declare function updatePhoneNumber(user: User, credential: PhoneAuthCredential): Promise<void>;

Parameters

Parameter	Type	Description
user	User	The user.
credential	PhoneAuthCredential	A credential authenticating the new phone number.

Returns:

Promise<void>

Example

// 'recaptcha-container' is the ID of an element in the DOM.
const applicationVerifier = new RecaptchaVerifier('recaptcha-container');
const provider = new PhoneAuthProvider(auth);
const verificationId = await provider.verifyPhoneNumber('+16505550101', applicationVerifier);
// Obtain the verificationCode from the user.
const phoneCredential = PhoneAuthProvider.credential(verificationId, verificationCode);
await updatePhoneNumber(user, phoneCredential);