@keithamus I assume this would need some sort of pointer at the thing it opens? <button command=open for=foo> or similar? Then I think “command” is good because “invokeaction” is unbearably techie (and sounds like it’s trying to be “invocation”, which sounds a lot cooler (a magic spell!) but not very professional), “clickaction” isn’t really right (it’s not always a click, and the click event would be called something different if named today) and everyone knows what a command is