> ## Documentation Index
> Fetch the complete documentation index at: https://auth0-actions-triggers-prototype.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.
# MfaVoiceChallenge
> Describes all the properties and methods available to customize the Universal Login `mfa-voice-challenge` screen.
The MfaVoiceChallenge class implements the `mfa-voice-challenge` screen functionality. This screen is displayed when the user needs to enter a code received via voice call to verify their identity.
## Constructors
Create an instance of MFA Voice Challenge screen manager:
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
await mfaVoiceChallenge.continue({ code: '123456' });
```
## Properties
BrandingMembers}>
Provides branding-related configurations, such as branding theme and settings.
ClientMembers}>
Provides client-related configurations, such as `id`, `name`, and `logoUrl`, for the `mfa-voice-challenge` screen.
OrganizationMembers}>
Provides information about the user's Organization, such as `id` and `name`.
PromptMembers}>
Contains data about the current prompt in the authentication flow.
ScreenMembersOnMfaVoiceChallenge}>
Contains details specific to the `mfa-voice-challenge` screen, including its configuration and context.
TenantMembers}>
Contains data related to the tenant, such as `id` and associated metadata.
TransactionMembers}>
Provides transaction-specific data for the `mfa-voice-challenge` screen, such as active identifiers and flow states.
UntrustedDataMembersOnMfaVoiceChallenge}>
Handles untrusted data passed to the SDK, such as user input during MFA voice challenge.
UserMembers}>
Details of the active user, including `username`, `email`, and `roles`.
## Methods
This method changes the display language of the Universal Login page.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
mfaVoiceChallenge.changeLanguage({
language: 'fr',
});
```
**Method Parameters**
[LanguageChangeOptions](/docs/libraries/acul/js-sdk/Screens/interfaces/LanguageChangeOptions).
The locale code for the desired language (for example, `'en'`, `'fr'`, `'es'`).
When set to `'session'`, the selected language persists for the duration of the session.
This method submits the voice verification code to validate the MFA challenge.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
await mfaVoiceChallenge.continue({
code: '123456',
rememberDevice: true,
});
```
**Method Parameters**
[MfaVoiceChallengeContinueOptions](/docs/libraries/acul/js-sdk/Screens/interfaces/MfaVoiceChallengeContinueOptions).
The verification code received via voice call.
When `true`, remembers the browser for future MFA challenges. Only applicable if `screen.showRememberDevice` is `true`.
Error[]}>
This method retrieves the array of transaction errors from the context, or an empty array if none exist.
This method navigates to the screen where the user can select a different phone number.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
await mfaVoiceChallenge.pickPhone();
```
This method requests a new voice call with a verification code.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
await mfaVoiceChallenge.resendCode();
```
ResendControl}>
This method provides resend functionality with configurable timeout and status management.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
const { startResend } = mfaVoiceChallenge.resendManager({
timeoutSeconds: 15,
onStatusChange: (remainingSeconds, isDisabled) => {
console.log(`Resend available in ${remainingSeconds}s, disabled: ${isDisabled}`);
},
onTimeout: () => {
console.log('Resend is now available');
},
});
startResend();
```
**Method Parameters**
[StartResendOptions](/docs/libraries/acul/js-sdk/Screens/interfaces/StartResendOptions).
OnStatusChangeCallback}>
Callback invoked whenever the resend status changes, receiving the remaining seconds and whether resend is currently disabled.
Callback invoked when the resend timeout expires and the resend option becomes available.
The number of seconds before the resend option becomes available.
This method switches the verification method to SMS.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
await mfaVoiceChallenge.switchToSms();
```
This method allows the user to try another MFA method.
```typescript Example theme={null}
import MfaVoiceChallenge from '@auth0/auth0-acul-js/mfa-voice-challenge';
const mfaVoiceChallenge = new MfaVoiceChallenge();
await mfaVoiceChallenge.tryAnotherMethod();
```