message queryProcessInstancesRequest
parts 
params
element pm:queryProcessInstancesInput
used by 
Operation queryProcessInstances in PortType processManagement
Operation queryHaltedProcessInstances in PortType processManagement
source  
<wsdl:message name="queryProcessInstancesRequest">
  <wsdl:part name="params" element="pm:queryProcessInstancesInput"/>
</wsdl:message>

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