NOTE THAT SPINE ANIMATIONS IS A PRO-FEATURE IN GAMEMAKER!
GameMaker's integration of Spine animations (skeletal animations) is nice, but they are missing out on one big feature: Spine's "events". http://en.esotericsoftware.com/spine-events
This asset allows you to have this feature, and it is simple to use too! All you need is these four scripts: - spine_events_init(); - spine_events_add_json(sprite in gamemaker, json file); - spine_events_listen_for(event); - spine_events_free();
For this to work, you will need to have a copy of your skeletal sprites' json files in your "included files" as well (just those of which you want to read events from).