message linkCaseRequest
parts 
linkCaseRequest
element dto:LinkCaseRequest
used by 
Operation linkCase in PortType BusinessDataServices
source  
<wsdl:message name="linkCaseRequest">
  <wsdl:part name="linkCaseRequest" element="dto:LinkCaseRequest"/>
</wsdl:message>

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