public function execute(CommandContext $context)
 {
     if (!Current_User::allow('hms', 'ra_login_as_self')) {
         PHPWS_Core::initModClass('hms', 'exception/PermissionException.php');
         throw new PermissionException('You do not have permission to login as the student verison of yourself.');
     }
     UserStatus::wearMaskAsSelf();
     $cmd = CommandFactory::getCommand('ShowStudentMenu');
     $cmd->redirect();
 }