Changes
== Background information ==
The system creates a new instance of ''CUSTOMMETACLASS'' and sets the ''INHERIT'' property to with the parent MetaClass the context menu was opened at. New derivates Obviously, a MetaClass is also an instance of ''CUSTOMMETACLASS'' and hence, can be created for any treated as a [[Basic System MetaClasses|system MetaClassContent Object]] such as ''BASECLASS'', ''REFERENCE'', ''SELECTIVELIST'', … etcwell.
==See also==
