message closeWorkItemRequest
parts 
closeWorkItemDoc
element dto:closeWorkItem
used by 
Operation closeWorkItem in PortType WorkItemManagementService
source 
<wsdl:message name="closeWorkItemRequest">
  <wsdl:part name="closeWorkItemDoc" element="dto:closeWorkItem"/>
</wsdl:message>

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