Metaregistrar\EPP\eppLaunchCreateDomainResponse::getLaunchApplicationID PHP Method

    public function getLaunchApplicationID()
    {
        $xpath = $this->xPath();
        $result = $xpath->query('/epp:epp/epp:response/epp:extension/launch:creData/launch:applicationID');
        if ($result->length > 0) {
            return $result->item(0)->nodeValue;
        } else {
            return null;
        }
    }