protected function handlePermissionUpdate(ilECSSetting $server)
 {
     if ($this->content_obj->getType() == 'crs') {
         $GLOBALS['ilLog']->write(__METHOD__ . ': Permission update');
         if ($this->content_obj->getType() == 'crs') {
             $GLOBALS['rbacadmin']->grantPermission($server->getGlobalRole(), ilRbacReview::_getOperationIdsByName(array('join', 'visible')), $this->content_obj->getRefId());
         }
     }
 }