message getChartDataResponse
parts 
getChartDataResponseDoc
element base:getChartDataResponse
used by 
Operation getChartData in PortType EventCollectorReportService
source  
<wsdl:message name="getChartDataResponse">
  <wsdl:part name="getChartDataResponseDoc" element="base:getChartDataResponse"/>
</wsdl:message>

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