bigbluebutton-Github/bigbluebutton-html5/imports/api/2.0/users/server/handlers/userJoined.js

import { check } from 'meteor/check';
import addUser from '../modifiers/addUser';

export default function handleUserJoined({ header, body }) {
  const meetingId = header.meetingId;
  const user = body;
  
  check(meetingId, String);
  check(user, Object);

  return addUser(meetingId, user);
}