message rescheduleWorkItemRequest
parts 
rescheduleWorkItemDoc
element dto:rescheduleWorkItem
used by 
Operation rescheduleWorkItem in PortType WorkItemSchedulerService
source  
<wsdl:message name="rescheduleWorkItemRequest">
  <wsdl:part name="rescheduleWorkItemDoc" element="dto:rescheduleWorkItem"/>
</wsdl:message>

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