message getAttributesRequest
parts 
getAttributesDoc
element base:getAttributesRequest
used by 
Operation getAttributes in PortType EventCollectorQueryService
source  
<wsdl:message name="getAttributesRequest">
  <wsdl:part name="getAttributesDoc" element="base:getAttributesRequest"/>
</wsdl:message>

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