message setCalendarReferencesRequest
parts 
parameters
element om:setCalendarReferences
used by 
Operation setCalendarReferences in PortType OrgModelService
source  
<wsdl:message name="setCalendarReferencesRequest">
  <wsdl:part name="parameters" element="om:setCalendarReferences"/>
</wsdl:message>

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