Singly and CloudMine -- Get user id

gistfile1.js

var ws = new cloudmine.WebService({
  appid: 'appid',
  apikey: 'apikey'
});

//Authenticate user via twitter
ws.loginSocial('twitter').on('success', function(data, response) {
  // Now you can save the session token using localStorage
  localStorage.setItem('cm_session', response.session_token);
  console.log(data.profile.__id__); // correctly returns userid
});

$('#get_user').click(function() {
  console.log(ws.isLoggedIn()); // returns true
  console.log(ws.getUserID()); // returns null, should be userid?
});