WSDL: characteristic definition
<message name="pathDelayOneWayOutput">
  <part name="NetworkTestTool”
       type="xsd1:NetworkTestToolType"/>
  <part name="NetworkTestInfo”
       type="xsd1:NetworkTestInfoType"/>
  <part name="NetworkToolSetting”
type="xsd1:NetworkToolSettingType"/>
  <part name="NetworkPathDelayStatistics”
type="xsd1:NetworkPathDelayStatisticsType"/>
</message>