Overriding Real Attribute Values

You might create a pointer CoS definition entry that contains an override qualifier as follows:

dn: cn=pointerCoS,dc=example,dc=com
objectclass: top
objectclass: LDAPsubentry
objectclass: cosSuperDefinition
objectclass: cosPointerDefinition
cosTemplateDn: cn=exampleUS,cn=data
cosAttribute: postalCode override

This pointer CoS definition entry indicates that the entry is associated with the template entry cn=exampleUS,cn=data that generates the value of the postalCode attribute. The override qualifier indicates that this value takes precedence over the value of the postalCode attribute if the attribute exists in a target entry.

If the CoS attribute is defined with the operational or override qualifiers, you cannot perform write operations on the “real” value of that attribute in any entry in the CoS scope.