Request/WsapiRequest.php
protected function unregister($msgHeader)
    {
        $this->msgHeader = $msgHeader;
        $this->registrationID = $msgHeader->registrationID;
        $this->transactionID = $msgHeader->transactionID;

        $soapObjXML =
                '<msgHeader>
                    <registrationID>' . $this->registrationID . '</registrationID>
                    <transactionID>' . $this->transactionID . '</transactionID>
                </msgHeader>'
        ;

        $soapXML = new \SoapVar($soapObjXML, XSD_ANYXML, null, null, null, $this->schema);

        return $soapXML;
    }
protected function unregister($msgHeader)
    {
        $this->msgHeader = $msgHeader;
        $this->registrationID = $msgHeader->registrationID;
        $this->transactionID = $msgHeader->transactionID;

        $soapObjXML =
                '<msgHeader>
                    <registrationID>' . $this->registrationID . '</registrationID>
                    <transactionID>' . $this->transactionID . '</transactionID>
                </msgHeader>'
        ;

        $soapXML = new \SoapVar($soapObjXML, XSD_ANYXML, null, null, null, $this->schema);

        return $soapXML;
    }
Respond to wsapi xcdr unregister response.