public function setSurveyReturn($return = null)
    {
        if (null === $return) {
            $this->_unsetVar('surveyReturn');
            return $this;
        }

        if ($return instanceof \Zend_Controller_Request_Abstract) {
            $return = $return->getParams();
        } elseif (! is_array($return)) {
            $return = \MUtil_Ra::to($return);
        }
        if ('autofilter' == $return['action']) {
            $return['action'] = 'index';
        }

        $return = array_filter($return);
        // \MUtil_Echo::track($return);

        $this->_setVar('surveyReturn', $return);

        return $this;
    }