Function setupMfaAuthenticatorApp

setupMfaAuthenticatorApp(
    options?: { preferred?: boolean },
): Promise<
    | {
        mfaCodeCallback: (code: string) => Promise<void>;
        secretCode: string | undefined;
    }
    | undefined,
>
Setup authenticator app MFA for the current user. The result will include a callback that should be called with the valid TOTP from an authenticator app.

Example
```
const { secretCode, mfaCodeCallback } =
  await mfaService.setupMfaAuthenticatorApp()
// Prompt the user to enter an MFA code
const code = prompt(
  `Please enter a one-time code from your MFA app after creating a new entry with secret: ${secretCode}.`,
)
await mfaCodeCallback(code)
```
Parameters
- Optionaloptions: { preferred?: boolean }
Returns Promise<
    | {
        mfaCodeCallback: (code: string) => Promise<void>;
        secretCode: string | undefined;
    }
    | undefined,
>
- Defined in src/apps/services/cognito.ts:541