public function addToData(array $data = array(), array $parms = array())
    {
        foreach ($parms as $parm) {
            $getter = 'get' . ucfirst($parm);
            if (method_exists($this, $getter) && $this->$getter()) {
                $data[$parm] = $this->$getter();
            }
        }

        return $data;
    }