function myFunction() {
 var itc = require('itunesconnectanalytics');
 var Itunes = itc.Itunes;
 var AnalyticsQuery = itc.AnalyticsQuery;

 var username = 'LOGIN';
 var password = 'PASS';
 var appId = 'APPID'; //Found in My Apps -> App -> Apple ID or read below on
  getting the app id.

var instance = new Itunes(username, password, {
errorCallback: function(e) {
 Logger.Log('Error logging in: ' + e);
},
successCallback: function(d) {
 Logger.Log('Logged in');
}
  });
 }