The creates virtual attributes with user-defined values in entries that match the criteria defined in the plug-in's configuration. The functionality of these attributes 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 values to be included in the virtual attribute. ds-cfg-value