I read the documentation. And still a lot is unclear. The example is not relevant for me because I try to catch End/Complete from another class. I mean what I have is a link to SkeletonAnimation. I need to know when some animation of this skeleton is complete. Any more examples?
Well, I figured it out. Thanks!
One more question: what if animation is looped? It seems End or Complete don't work in such case. How to know when looped animation got to a last frame?