"Universal Schema Reference":

Directory Server Object Classes
Releases 1.x, 3.x, and 4.0


changeLogEntry
Supported by Netscape Directory Server 3.x, 4.0
Definition Object class used by the Netscape Directory Server to represent a change made to its directory.
Superior Class top
OID 2.16.840.1.113730.3.2.1


Required Attributes	Description
objectClass	Specifies the objects for this object class.
changeNumber	(Arbitrarily assigned number to the changelog.
changeTime	The time a change took place.
changeType	(Type of change performed on an entry.
targetDn	Distinguished name of an entry that was added, modified, or deleted on a supplier server.


Allowed Attributes	Description
changes	Changes made to a directory server.
deleteOldRdn	A flag that defines whether the old Relative Distinguished Name (RDN) of the entry should be retained as a distinguished attribute of the entry, or should be deleted.
filterInfo	Reserved for future use.
netshareHomeURL	New RDN of an entry that is the target of a modRDN or modDN operation.
newSuperior	Name of the entry that becomes the immediate superior of the existing entry, when processing a modDN operation.