[Open Beta] Procedural On-the-Fly Animation in UE4: iTween!

I’m just starting out looking at iTween for a few small parts of a game, but the video tutorial’s seem to be for older versions of the plugin. Trying to use these does not work, as just trying to create the variable fails. Are you planning on doing anymore videos? I really hope so, but if not, where should I look for the starting sequence?
What I see when trying to add I Tween_C:
2015-03-27_21h46_30.