> ## Documentation Index
> Fetch the complete documentation index at: https://docs-dev-docs-event-stream-action-templates.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ResetPasswordMfaWebAuthnPlatformChallenge

> Describes all the properties and methods available to customize the Universal Login `reset-password-mfa-webauthn-platform-challenge` screen.

The ResetPasswordMfaWebAuthnPlatformChallenge class implements the `reset-password-mfa-webauthn-platform-challenge` screen functionality. This screen prompts the user to verify their identity using a platform authenticator (such as Touch ID or Windows Hello) as part of the MFA step during a password reset flow.

<Frame>
  <img style={{maxHeight:"400px"}} src="https://mintcdn.com/docs-dev-docs-event-stream-action-templates/RjB12i6aOVmBONJv/docs/images/cdy7uua7fh8z/7aNLJSP1f1xmQI9RIc7bQh/98db8a7a627e84896b50cf219497c345/Screenshot_2025-05-28_at_12.43.54.png?fit=max&auto=format&n=RjB12i6aOVmBONJv&q=85&s=cede2727f5ea8105c002f31488a14b0f" alt="" width="363" height="493" data-path="docs/images/cdy7uua7fh8z/7aNLJSP1f1xmQI9RIc7bQh/98db8a7a627e84896b50cf219497c345/Screenshot_2025-05-28_at_12.43.54.png" />
</Frame>

## Constructors

Create an instance of ResetPasswordMfaWebAuthnPlatformChallenge screen manager:

```typescript Example theme={null}
import ResetPasswordMfaWebAuthnPlatformChallenge from '@auth0/auth0-acul-js/reset-password-mfa-webauthn-platform-challenge';
const resetPasswordMfaWebAuthnPlatformChallengeManager = new ResetPasswordMfaWebAuthnPlatformChallenge();
await resetPasswordMfaWebAuthnPlatformChallengeManager.continueWithPasskey({
  rememberDevice: true,
});
```

## Properties

<ParamField body="branding" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/BrandingMembers">BrandingMembers</a></span>}>
  Provides branding-related configurations, such as branding theme and settings.
</ParamField>

<ParamField body="client" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/ClientMembers">ClientMembers</a></span>}>
  Provides client-related configurations, such as `id`, `name`, and `logoUrl`, for the `reset-password-mfa-webauthn-platform-challenge` screen.
</ParamField>

<ParamField body="organization" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/OrganizationMembers">OrganizationMembers</a></span>}>
  Provides information about the user's Organization, such as `id` and `name`.
</ParamField>

<ParamField body="prompt" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/PromptMembers">PromptMembers</a></span>}>
  Contains data about the current prompt in the authentication flow.
</ParamField>

<ParamField body="screen" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/ScreenMembersOnResetPasswordMfaWebAuthnPlatformChallenge">ScreenMembersOnResetPasswordMfaWebAuthnPlatformChallenge</a></span>}>
  Contains details specific to the `reset-password-mfa-webauthn-platform-challenge` screen, including its configuration and context.
</ParamField>

<ParamField body="tenant" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/TenantMembers">TenantMembers</a></span>}>
  Contains data related to the tenant, such as `id` and associated metadata.
</ParamField>

<ParamField body="transaction" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/TransactionMembers">TransactionMembers</a></span>}>
  Provides transaction-specific data for the `reset-password-mfa-webauthn-platform-challenge` screen, such as active identifiers and flow states.
</ParamField>

<ParamField body="untrustedData" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/UntrustedDataMembers">UntrustedDataMembers</a></span>}>
  Handles untrusted data passed to the SDK, such as user input during the MFA challenge flow.
</ParamField>

<ParamField body="user" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/UserMembers">UserMembers</a></span>}>
  Details of the active user, including `username`, `email`, and `roles`.
</ParamField>

## Methods

<ParamField body="changeLanguage" type="Promise<void>">
  This method changes the display language of the Universal Login page.

  ```typescript Example theme={null}
  import ResetPasswordMfaWebAuthnPlatformChallenge from '@auth0/auth0-acul-js/reset-password-mfa-webauthn-platform-challenge';
  const resetPasswordMfaWebAuthnPlatformChallengeManager = new ResetPasswordMfaWebAuthnPlatformChallenge();
  resetPasswordMfaWebAuthnPlatformChallengeManager.changeLanguage({
    language: 'fr',
  });
  ```

  **Method Parameters**

  <Expandable title="Parameters">
    <ParamField body="options">
      [LanguageChangeOptions](/docs/libraries/acul/js-sdk/Screens/interfaces/LanguageChangeOptions).
    </ParamField>

    <ParamField body="language" type="string" required>
      The locale code for the desired language (for example, `'en'`, `'fr'`, `'es'`).
    </ParamField>

    <ParamField body="persist?" type="&#x22;session&#x22;">
      When set to `'session'`, the selected language persists for the duration of the session.
    </ParamField>
  </Expandable>
</ParamField>

<ParamField body="continueWithPasskey" type="Promise<void>">
  This method initiates the WebAuthn platform authenticator challenge and submits the resulting credential to complete the MFA step during the password reset flow. If the browser throws a `DOMException` (such as user cancellation), catch the error and call `reportBrowserError` to notify Auth0.

  ```typescript Example theme={null}
  import ResetPasswordMfaWebAuthnPlatformChallenge from '@auth0/auth0-acul-js/reset-password-mfa-webauthn-platform-challenge';
  const resetPasswordMfaWebAuthnPlatformChallengeManager = new ResetPasswordMfaWebAuthnPlatformChallenge();
  try {
    await resetPasswordMfaWebAuthnPlatformChallengeManager.continueWithPasskey({
      rememberDevice: true,
    });
  } catch (error) {
    if (error instanceof DOMException) {
      await resetPasswordMfaWebAuthnPlatformChallengeManager.reportBrowserError({
        error: { name: error.name, message: error.message },
      });
    }
  }
  ```

  **Method Parameters**

  <Expandable title="Parameters">
    <ParamField body="options">
      [ResetPasswordMfaWebAuthnPlatformChallengeContinueOptions](/docs/libraries/acul/js-sdk/Screens/interfaces/ResetPasswordMfaWebAuthnPlatformChallengeContinueOptions).
    </ParamField>

    <ParamField body="rememberDevice?" type="boolean">
      When `true`, marks the device as trusted so the user is not prompted for MFA again on this device.
    </ParamField>
  </Expandable>
</ParamField>

<ParamField body="getErrors" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/Error">Error</a>[]</span>}>
  This method retrieves the array of transaction errors from the context, or an empty array if none exist.
</ParamField>

<ParamField body="reportBrowserError" type="Promise<void>">
  This method reports a browser-side WebAuthn error to Auth0, such as user cancellation (`NotAllowedError`) or a timeout from `navigator.credentials.get()`.

  ```typescript Example theme={null}
  import ResetPasswordMfaWebAuthnPlatformChallenge from '@auth0/auth0-acul-js/reset-password-mfa-webauthn-platform-challenge';
  const resetPasswordMfaWebAuthnPlatformChallengeManager = new ResetPasswordMfaWebAuthnPlatformChallenge();
  await resetPasswordMfaWebAuthnPlatformChallengeManager.reportBrowserError({
    error: { name: error.name, message: error.message },
  });
  ```

  **Method Parameters**

  <Expandable title="Parameters">
    <ParamField body="options">
      [ResetPasswordMfaWebAuthnPlatformChallengeReportErrorOptions](/docs/libraries/acul/js-sdk/Screens/interfaces/ResetPasswordMfaWebAuthnPlatformChallengeReportErrorOptions).
    </ParamField>

    <ParamField body="error" type={<span><a href="/docs/libraries/acul/js-sdk/Screens/interfaces/WebAuthnErrorDetails">WebAuthnErrorDetails</a></span>} required>
      The error object from the WebAuthn API (`navigator.credentials.get()`) to be reported.

      <ParamField body="name" type="string" required>
        The name of the error (e.g., `'NotAllowedError'`).
      </ParamField>

      <ParamField body="message" type="string" required>
        The error message describing what went wrong.
      </ParamField>
    </ParamField>
  </Expandable>
</ParamField>

<ParamField body="tryAnotherMethod" type="Promise<void>">
  This method allows the user to select a different MFA method to complete the challenge.

  ```typescript Example theme={null}
  import ResetPasswordMfaWebAuthnPlatformChallenge from '@auth0/auth0-acul-js/reset-password-mfa-webauthn-platform-challenge';
  const resetPasswordMfaWebAuthnPlatformChallengeManager = new ResetPasswordMfaWebAuthnPlatformChallenge();
  await resetPasswordMfaWebAuthnPlatformChallengeManager.tryAnotherMethod();
  ```
</ParamField>