How could I go about adding very simple godrays to a scene?

Hey guys! I was working with an interior scene today and decided that I would like to add some very simple godrays coming from the window. Is there a very simple way of adding this effect or is it more complicated than I thought? Thanks so much!

The particle cave in the learning tab of the launcher has some fake godray effects, you could check those out.
or take a look at this post: How do I get God Rays in UE4? - FX - Unreal Engine Forums

Thanks a lot! That thread led me to this tutorial that is working great!