Level Instance: any way for Editor function?

In Blueprints, we can tick a function (Call in Editor) to be available in Outline as a button.
Is there a way to do a similar thing with Level Instance?
I’ve tried setting ‘Call in Editor’ on a function in the Level Instance’s level blueprint but it doesn’t show. I’ve also added a BP with such function to the Level Instance, hoping that might ‘show through’ but no success either.