message deleteContainerRequest
parts 
parameters
element dir:deleteContainer
used by 
Operation deleteContainer in PortType DirectoryService
source  
<wsdl:message name="deleteContainerRequest">
  <wsdl:part name="parameters" element="dir:deleteContainer"/>
</wsdl:message>

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