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

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