message updateWorkingDaysRequest
parts 
parameters
element calendar:updateWorkingDays
used by 
Operation updateWorkingDays in PortType CalendarService
source 
<wsdl:message name="updateWorkingDaysRequest">
  <wsdl:part name="parameters" element="calendar:updateWorkingDays"/>
</wsdl:message>

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