message listCaseActionRequest
parts 
parameters
element business:listCaseAction
used by 
Operation listCaseAction in PortType BusinessService
source 
<wsdl:message name="listCaseActionRequest">
  <wsdl:part name="parameters" element="business:listCaseAction"/>
</wsdl:message>

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