message getPushDestinationsRequest
parts 
parameters
element om:getPushDestinations
used by 
Operation getPushDestinations in PortType OrgModelService
source  
<wsdl:message name="getPushDestinationsRequest">
  <wsdl:part name="parameters" element="om:getPushDestinations"/>
</wsdl:message>

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