message getWorkItemHeaderRequest
parts 
getWorkItemHeaderDoc
element dto:getWorkItemHeader
used by 
Operation getWorkItemHeader in PortType WorkItemManagementService
source  
<wsdl:message name="getWorkItemHeaderRequest">
  <wsdl:part name="getWorkItemHeaderDoc" element="dto:getWorkItemHeader"/>
</wsdl:message>

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