message getComponentsRequest
parts 
getComponentsDoc
element base:getComponentsRequest
used by 
Operation getComponents in PortType EventCollectorQueryService
source  
<wsdl:message name="getComponentsRequest">
  <wsdl:part name="getComponentsDoc" element="base:getComponentsRequest"/>
</wsdl:message>

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