I am trying to add template parameter to class without any success.
I want to make class that have template parameter like Range<T>
.
Those Papyrus support that?
Yes it does, but trough the graphical editor its a bit tricky.
i suggest you to read [1] and use the UML tree editor and reload the graphical view afterward.
Generics in UML is not as simple as it could be in Java.