/**
  * Execute this method when the cron runs
  *
  * @return bool
  */
 function cron()
 {
     $results = iclicker_service::ws_sync_all();
     mtrace(' National WS sync...', '');
     if (!$results) {
         mtrace(' DISABLED. ');
     } else {
         $error_num = count($results['errors']);
         mtrace(' completed syncing ' . $results['total'] . ' registrations (' . $results['national'] . ' national, ' . $results['local'] . ' local) with ' . $error_num . ' errors. ');
         if ($error_num > 0) {
             $count = 0;
             foreach ($results['errors'] as $error) {
                 $count++;
                 mtrace('    ' . $count . ': ' . $error);
             }
         }
     }
     return true;
 }