This support article is for an older version of Play for macOS (1.0), which is still available in the App Store. Play 2.0 has an updated interface and new interactions.
To read about actions in Play 2.0, visit this article.
Set Event
A Set Event action fires an event that an Event Listener trigger listens for.
Event: Select (or create) the event that this action will cause to occur
Delay: Set the number of seconds between the trigger firing and the action beginning (Ex. event will occur X seconds after the trigger fires)