message openNextWorkItemResponse
parts 
workResponse
element dto:workResponse
used by 
Operation openNextWorkItem in PortType WorkPresentationService
source 
<wsdl:message name="openNextWorkItemResponse">
  <wsdl:part name="workResponse" element="dto:workResponse"/>
</wsdl:message>

WSDL documentation generated by XMLSpy WSDL Editor http://www.altova.com/xmlspy