function changeStatus($params)
 {
     require_once 'classes/model/CaseScheduler.php';
     $SCH_UID = $params->SCH_UID;
     $oCaseScheduler = new CaseScheduler();
     $oCaseScheduler->changeStatus($SCH_UID);
     $oCaseScheduler->load($SCH_UID);
     $this->success = true;
     $this->SCH_STATUS = $oCaseScheduler->getSchState();
     $this->msg = G::LoadTranslation('ID_SCHEDULER_SUCCESS_CHANGE_STATUS');
 }