Metaregistrar\EPP\eppCreateDomainRequest::addSecdns PHP Method

    public function addSecdns($secdns)
    {
        /* @var eppSecDNS $secdns */
        if (!$this->extension) {
            $this->extension = $this->createElement('extension');
            $this->getCommand()->appendChild($this->extension);
        }
        $seccreate = $this->createElement('secDNS:create');
        $seccreate->setAttribute('xmlns:secDNS', 'urn:ietf:params:xml:ns:secDNS-1.1');
        if ($secdns->getKeytag()) {
            /*
             * Keytag found, assuming client wants to add dnssec data via dsData interface
             * http://tools.ietf.org/search/rfc5910#section-4.1
             */
            $secdsdata = $this->createElement('secDNS:dsData');
            $secdsdata->appendChild($this->createElement('secDNS:keyTag', $secdns->getKeytag()));
            $secdsdata->appendChild($this->createElement('secDNS:alg', $secdns->getAlgorithm()));
            $secdsdata->appendChild($this->createElement('secDNS:digestType', $secdns->getDigestType()));
            $secdsdata->appendChild($this->createElement('secDNS:digest', $secdns->getDigest()));
            if ($secdns->getPubkey()) {
                /*
                 * Pubkey found, adding option key data to the request
                 */
                $seckeydata = $this->createElement('secDNS:keyData');
                $seckeydata->appendChild($this->createElement('secDNS:flags', $secdns->getFlags()));
                $seckeydata->appendChild($this->createElement('secDNS:protocol', $secdns->getProtocol()));
                $seckeydata->appendChild($this->createElement('secDNS:alg', $secdns->getAlgorithm()));
                $seckeydata->appendChild($this->createElement('secDNS:pubKey', $secdns->getPubkey()));
                $secdsdata->appendChild($seckeydata);
            }
            $seccreate->appendChild($secdsdata);
        } else {
            /*
             * Keytag not found, assuming client wants to add dnssec data via keyData interface
             * http://tools.ietf.org/search/rfc5910#section-4.2
             */
            $seckeydata = $this->createElement('secDNS:keyData');
            $seckeydata->appendChild($this->createElement('secDNS:flags', $secdns->getFlags()));
            $seckeydata->appendChild($this->createElement('secDNS:protocol', $secdns->getProtocol()));
            $seckeydata->appendChild($this->createElement('secDNS:alg', $secdns->getAlgorithm()));
            $seckeydata->appendChild($this->createElement('secDNS:pubKey', $secdns->getPubkey()));
            $seccreate->appendChild($seckeydata);
        }
        $this->extension->appendChild($seccreate);
        // Put session id at the end of the EPP command chain
        $this->addSessionId();
    }