function getConnection(){

  var address = 'url.domain';
  var user = 'username';
  var userPwd = 'pass';
  var db = 'database_name';
  var spreadsheetURL = 'spreadsheetURL';


  var dbUrl = 'jdbc:mysql://' + address + '/' + db;
  var conn = Jdbc.getConnection(dbUrl, user, userPwd);
  return conn;
}