OSB XQuery transformation help in Proxy Service

Question

Hi,
Need help in transformation of the below input to a proxy service
<soapenv:Body  xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
   <InputParams>
     <queryParams>
       <quer:query-params  xmlns:quer="http://www.example.org/QueryParams">
        <param name="test51" value="val3353" />
        <param name="test1" value="val2" />
        <param name="test3" value="val3" />
        <param name="test4" value="val4" />
        <param name="test1" value="val1" />
        <param name="test1" value="val11" />
        <param name="test8" value="val33" />
        <param name="test1" value="val34" />
        <param name="test8" value="val33" />
        <param name="test81" value="val33" />
        <param name="test1" value="val333" />
        <param name="test38" value="val33" />
       </quer:query-params>
     </queryParams>
   </InputParams>
</soapenv:Body> and want to have the below output after running the below XQuery transformation
<ns0:mparams>
  <ns0:param name="test1" value="val2" />
  <ns0:param name="test1" value="val1" />
  <ns0:param name="test1" value="val11" />
  <ns0:param name="test1" value="val34" />
  <ns0:param name="test1" value="val333" />
</ns0:mparams>this is the xquery transformation file
(:: pragma  parameter="$InputQuery" type="anyType" ::)
(:: pragma bea:global-element-return element="ns0:mparams" location="../xsd/TargetParams.xsd" ::)
declare namespace ns0 = "http://www.example.org/QueryParams";
declare namespace xf = "http://tempuri.org/Simple/transformation/listparams/";
declare function xf:listparams($InputQuery as element(*))
    as element(ns0:mparams) {
        <ns0:mparams>
            { $InputQuery/ns0:params/param[@name="test1"] }
        </ns0:mparams>
declare variable $InputQuery as element(*) external;
xf:listparams($InputQuery)and here is the input to the above .qs
$body/InputParams/queryParams/qp:query-paramsbut it's the output is always empty and here is what it comes out no matter what the input I give even tried the below inputs but no use
$body/InputParams/queryParams/qp:query-params
$body/InputParams/queryParamshere is the output it always prints when logging in the log file
<quer:mparams xmlns:quer="http://www.example.org/QueryParams"/>Any help is appreciated.
Thanks

Answer 1

$InputQuery/ns0:params/param[@name="test1"]Input doesn't have a ns0:params node ..so the xpath here should be $InputQuery/param[@name="test1"]