Notice that you need to return true or false (usually true). True if the initialization was successful, or false if it was not.
OnInitialize is called when the cutscene is initialized
Another way would of course be to do things you want to do in the OnEnter override, which is called every time the ActionClip is entered.
Indeed. I have now just added this in the documentation page.
Yes, it would be better to use OnInitilize if you only want to do something once when the cutscene initializes. OnEnter would be more adequete if you want to do that every time the clip is entered of course. So it depends on the use case 🙂