message getUserPrivilegesRequest
parts 
parameters
element security:getUserPrivileges
used by 
Operation getUserPrivileges in PortType SecurityService
source  
<wsdl:message name="getUserPrivilegesRequest">
  <wsdl:part name="parameters" element="security:getUserPrivileges"/>
</wsdl:message>

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