Changes

A new [[File:IL_HowTo_CreateMetaClass_01MetaClass]] has to be created as a derivative (child) from another class (parent).png|thumb|220 px|alt=Derive new object|Derive new objectThis can easily be done in the ''[[Class Browser]]'' control by

A new [[MetaClass]] has to be created as a derivative (child) from another class (parent). This can easily be done in the [[Class Browser]] control following the steps # Navigate to the favoured parent [[MetaClass]] in the Class Browser# Create a new child MetaClass with ''Derive new object'' from the context menu<br/>[[File:UI_HowTo_CreateMetaClass_01.png|220 px|alt=Derive new object|Derive new object]]

## * in the ''[[Class_Browser#Editing_name_and_description_of_an_object|Class Browser]]''## * by opening and connecting the new MetaClass to the ''[[Object Editor]] '' control

== Technical implementation background ==The system creates a new instance of ''[[CUSTOMMETACLASS'' ]] and sets the ''INHERITInherit'' property to with the parent MetaClass the context menu was opened at. New derivates A custom MetaClass is consequently also an instance of CUSTOMMETACLASS and can be created for any treated as a [[Basic System MetaClasses|system MetaClassContent Object]] such as ''BASECLASS'', ''REFERENCE'', ''SELECTIVELIST'', … etc.

* [[HowTo:Create a new MetaProperty]]* [[HowTo:Add_a_MetaProperty_to_a_MetaClass|Add a MetaProperty to a MetaClass]]