v.buffer_request_in_kml.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<!-- GRASS 7 backend has to be enabled. --> 
<wps:Execute service="WPS" version="1.0.0" xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.opengis.net/wps/1.0.0
	http://schemas.opengis.net/wps/1.0.0/wpsExecute_request.xsd">
  <ows:Identifier>v.buffer</ows:Identifier>
  <wps:DataInputs>
  <wps:Input>
      <ows:Identifier xmlns:ns1="http://www.opengis.net/ows/1.1">input</ows:Identifier>
    <wps:Reference xlink:href="http://geoprocessing.demo.52north.org:8080/xyz/shape.kml" mimeType="application/vnd.google-earth.kml+xml" schema="http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd" />
    </wps:Input>
    <wps:Input>
      <ows:Identifier>distance</ows:Identifier>
      <wps:Data>
        <wps:LiteralData>0.1</wps:LiteralData>
      </wps:Data>
    </wps:Input>
  </wps:DataInputs>
  <wps:ResponseForm>
    <wps:RawDataOutput mimeType="text/xml">
      <ows:Identifier>output</ows:Identifier>
    </wps:RawDataOutput>
  </wps:ResponseForm>
</wps:Execute>