protected function _createTrack($filter, $tracker)
    {
        $trackData = array('gr2t_comment' => sprintf(
                        $this->_('Track created by %s filter'),
                        $filter->getName()
                        ));

        $fields    = array($filter->getFieldId() => $this->getId());
        $trackId   = $filter->getTrackId();
        $respTrack = $tracker->createRespondentTrack(
                $this->getRespondentId(),
                $this->getOrganizationId(),
                $trackId,
                $this->currentUser->getUserId(),
                $trackData,
                $fields
                );

        return $respTrack;
    }