xpath-example.xpath

<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
   <soap:Body>
      <soap:Fault>
         <faultcode>soap:Server</faultcode>
         <faultstring xml:lang="en">RABAX occurred on server side</faultstring>
         <detail>
            <sap:Rabax xmlns:sap="http://www.sap.com/webas/710/soap/runtime/abap/fault/generic">
               <SYDATUM>20180403</SYDATUM>
               <SYUZEIT>012758</SYUZEIT>
               <ERRORCODE>MESSAGE_TYPE_X_TEXT</ERRORCODE>
            </sap:Rabax>
         </detail>
      </soap:Fault>
   </soap:Body>
</soap:Envelope>

declare namespace soap='http://schemas.xmlsoap.org/soap/envelope/';
declare namespace sap='http://www.sap.com/webas/710/soap/runtime/abap/fault/generic';
//sap:Rabax/ERRORCODE