i confirmed the problem. I will take a look to fix that. But for now, you can use the default variable command, that if the Variable is a Self Variable, it will be applied to the self variable:
Oh, good clues. It does not work with the event labels... I message it works just fine. Looks like it's the event label plugin bug thing? (I'm using MZ and used "SV:" in names)
Well, I did take a look into the DSI - Event Spawner and didn't see nothing about labels. So I don't know how to go from here. I think there is more information you need to share.
Point me to the label plugin so I can take a look into it.