// Handling all of our errors here by alerting them
function handleError(error) {
  if (error) {
    alert(error.message);
  }
}

function initializeSession() {
  const session = OT.initSession(applicationId, sessionId);

  // Subscribe to a newly created stream

  // Create a publisher
  const publisher = OT.initPublisher('publisher', {
    insertMode: 'append',
    width: '100%',
    height: '100%'
  }, handleError);

  // Connect to the session
  session.connect(token, function(error) {
    // If the connection is successful, publish to the session
    if (error) {
      handleError(error);
    } else {
      session.publish(publisher, handleError);
    }
  });
}