# Source URL: https://dev.epicgames.com/documentation/en-us/uefn/30-00-release-notes-in-unreal-editor-for-fortnite
# Local doc: epic-docs/documentation/en-us/uefn/30-00-release-notes-in-unreal-editor-for-fortnite.md
# Section: Language
a_class := class<concrete>:
@editable MyInt:int = 1
b_class := class(a_class):
@editable ExtraFloat:float = 1.0
# This will now display in UEFN and can be changed to anything which has a base of a_class such as b_class in this example.
@editable
MyType:subtype(a_class) = a_class
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Verse Library
verse
01 Language
Shows class inheritance, editable properties, and using subtype bindings for editor polymorphism.
extracted-snippets/documentation/en-us/uefn/30-00-release-notes-in-unreal-editor-for-fortnite/01-language.verse