message listCalendarsResponse
parts 
response
element workcal:listCalendarsResponse
used by 
Operation listCalendars in PortType WorkCalService
source 
<wsdl:message name="listCalendarsResponse">
  <wsdl:part name="response" element="workcal:listCalendarsResponse"/>
</wsdl:message>

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