File: template/Code/service-lang-section

    public function saveLang($data, $id = null)
    {
        $arrayParameters = $this->makeArrayFromParameters(__METHOD__, func_get_args());
        $arrayParameters = $this->sendEvent('moduletpl_service_save_lang_start', $arrayParameters);

        if ($data) {
            $langTable = $this->getServiceManager()->get('ModuleTplLangTable');
            $res = $langTable->save($arrayParameters['data'], $arrayParameters['id']);
        }

        $arrayParameters['result'] = $res;
        $arrayParameters = $this->sendEvent('moduletpl_service_save_lang_end', $arrayParameters);
        return $arrayParameters['result'];
    }

    public function deleteLang($id)
    {
        $arrayParameters = $this->makeArrayFromParameters(__METHOD__, func_get_args());
        $arrayParameters = $this->sendEvent('moduletpl_service_delete_lang_start', $arrayParameters);

        $langTable = $this->getServiceManager()->get('ModuleTplLangTable');
        $res = $langTable->deleteByFkId($arrayParameters['id']);

        $arrayParameters['result'] = $res;
        $arrayParameters = $this->sendEvent('moduletpl_service_delete_lang_end', $arrayParameters);
        return $arrayParameters['result'];
    }