update-mfa-challenge.md

const sdk = require('node-appwrite');

const client = new sdk.Client()
    .setEndpoint('https://<REGION>.cloud.appwrite.io/v1') // Your API Endpoint
    .setProject('<YOUR_PROJECT_ID>') // Your project ID
    .setSession(''); // The user session to authenticate with

const account = new sdk.Account(client);

const result = await account.updateMFAChallenge({
    challengeId: '<CHALLENGE_ID>',
    otp: '<OTP>'
});