Struct description A named type which is an MO Reference pointing to * MyClass Enum which can be yes or no This is a class which can be assigned as an attribute of ChildClass. Key attribute is 'id'. Key attributes: [id] My Test Class The class hierarky looks like this: +==========+ |MountPoint| +==========+ / \ / \ +=======+ +=======+ | Blipp | |MyClass| +=======+ +=======+ | | +==========+ |ChildClass| +==========+ Key attributes: [id1,id2] Possible children: ChildClass: Definition of children under MyClass Test class identifyer - part1 Test class identifyer - part2 Date Date2 - named type Attribute description. Child of MyClass Key attributes: [id]