Foliage collision + foliage bend on collision- In engine feature?

I was trying to create this sort of effect as well. Digging through the source code I found the interactive foliage actor, but no one seems to know how to use it :-p

Latest progress on that front (I haven’t touched it in a while):

https://answers.unrealengine.com/questions/59562/is-the-interactive-foliage-actor-still-a-ue4-work.html