3.1.4.1.1.1.2 adlq:BaseObject

The requestor MUST specify the object reference property (GUID or distinguished name of the object) as defined in [MS-ADDM] section 2.3.3.1 under the required BaseObject element wsen:Enumerate/wsen:Filter/adlq:LdapQuery/adlq:BaseObject in the Enumerate request.

 <adlq:BaseObject>
      <object Reference Property, a.k.a. GUID, or object DN>
 </adlq:BaseObject>