How to activate collisions on an static mesh imported from effects cave?

Development Asset Creation
1

Hi,

I know newbie question here, but i was wondering how to do that… heres and image:

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Simulate Physics and start awake check box are on.
I did several combination beteween mobility options(static-moveable)
Ans the collision present(Block All, Physics Actor and Physics Dynamic) Nothing works…

Can anyone help me?

Happy week end btw!!

2

I found the answer, if you import static mesh you need to set the collision complex in the static mesh editor