> ## Documentation Index
> Fetch the complete documentation index at: https://auth0.generaltranslation.app/llms.txt
> Use this file to discover all available pages before exploring further.
# MfaPhoneChallenge
MfaPhoneChallenge
```ts Example theme={null}
const mfaPhoneChallenge = new MfaPhoneChallenge();
// Request code via SMS
await mfaPhoneChallenge.continue({ type: 'sms' });
// Request code via Voice Call
await mfaPhoneChallenge.continue({ type: 'voice' });
```
## Constructors
Initializes a new instance of the `MfaPhoneChallenge` class.
It sets up the screen-specific data by creating an instance of `ScreenOverride`.
## Properties
BrandingMembers} />
ClientMembers} />
OrganizationMembers} />
PromptMembers} />
ScreenMembersOnMfaPhoneChallenge}>
Holds the specific screen data for the MFA Phone Challenge.
TenantMembers} />
TransactionMembers} />
UntrustedDataMembers} />
UserMembers} />
The unique identifier for this screen.
## Methods
Submits the user's choice of receiving the MFA code via SMS or voice call.
It uses the phone number provided in the screen context.
A promise that resolves upon successful submission.
#### Throws
Throws an error if the phone number is not available in the screen context or if the submission fails.
```typescript Example theme={null}
const mfaPhoneChallenge = new MfaPhoneChallenge();
// Request code via SMS
await mfaPhoneChallenge.continue({ type: 'sms' });
// Request code via Voice Call
await mfaPhoneChallenge.continue({ type: 'voice' });
```
MfaPhoneChallengeContinueOptions}>
Options containing the delivery type ('sms' or 'voice').
**Properties**
The type of challenge to perform.
* `sms`: Send the code via text message.
* `voice`: Send the code via a voice call.
Error[]}>
Retrieves the array of transaction errors from the context, or an empty array if none exist.
An array of error objects from the transaction context.
Initiates the process for the user to select a different phone number (if applicable).
This typically triggers a navigation to a phone selection screen.
A promise that resolves upon successful submission.
#### Throws
Throws an error if the submission fails.
```typescript Example theme={null}
const mfaPhoneChallenge = new MfaPhoneChallenge();
await mfaPhoneChallenge.pickPhone();
```
MfaPhoneChallengePickPhoneOptions}>
Optional custom options for the request.
Allows the user to choose a different MFA method (e.g., OTP, Recovery Code).
This typically triggers navigation to the authenticator selection screen.
A promise that resolves upon successful submission.
#### Throws
Throws an error if the submission fails.
```typescript Example theme={null}
const mfaPhoneChallenge = new MfaPhoneChallenge();
await mfaPhoneChallenge.tryAnotherMethod();
```
MfaPhoneChallengePickAuthenticatorOptions}>
Optional custom options for the request.