message linkDocumentRequest
parts 
linkDocumentRequest
element doc:LinkDocumentRequest
used by 
Operation linkDocument in PortType DocumentService
source 
<wsdl:message name="linkDocumentRequest">
  <wsdl:part name="linkDocumentRequest" element="doc:LinkDocumentRequest"/>
</wsdl:message>

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