The is used to create virtual attributes with user-defined values in entries that match the criteria defined in the plugin's configuration. This provides functionality that is similar to Class of Service (CoS) in the Sun Java System Directory Server. ds-cfg-user-defined-virtual-attribute ds-cfg-virtual-attribute org.opends.server.extensions.UserDefinedVirtualAttributeProvider Specifies the value(s) which should be included in virtual attribute. ds-cfg-value