message listLDAPContainersResponse
parts 
ldapContainers
element container:listLDAPContainersResponse
used by 
Operation listLDAPContainers in PortType ContainerService
source  
<wsdl:message name="listLDAPContainersResponse">
  <wsdl:part name="ldapContainers" element="container:listLDAPContainersResponse"/>
</wsdl:message>

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