message listChannelTypesRequest
parts 
request
element dto:listChannelTypesRequest
used by 
Operation listChannelTypes in PortType ChannelBusService
source 
<wsdl:message name="listChannelTypesRequest">
  <wsdl:part name="request" element="dto:listChannelTypesRequest"/>
</wsdl:message>

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