[maya] Creating mechanim for Unity

Hey! I am creating an FPS games about mages and moved to the point, where it's time to make characters cast and jump properly. I'd searched over the Internet but still left confused: what is the proper way to create animation for unity, so it could be used in MechAnim system with many avatars?

In Maya I go to "Animation" shelf, Skeleton -> Human IK, Import Human IK Examples. I choose Humanoid and with right-mouse click I import it. I change source to control rig and start key framing. When I am done, I press file -> export all. Then in Unity I import the file, choose humanoid, but no bone animation is saved (though they are all defined and visible for Unity), the charater moves in space, standing still.

To me it looks as if Maya maps keyframes to controls for the mesh, not to the actual bones. But I might be wrong. Does anyone know the reason and/or have any suggestions/work-arounds? Thank you very much!