message eventResponse
parts 
eventResponseDoc
element base:eventResponse
used by 
Operation event in PortType EventCollectorUpdateService
source  
<wsdl:message name="eventResponse">
  <wsdl:part name="eventResponseDoc" element="base:eventResponse"/>
</wsdl:message>

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