[?] Create a timed popup?

Questions
1

I have found nothing on Google or on Wolfram.com. How do I create a timed popup, i.e., a window without user interaction, only going away after 0.x seconds?

2

Like that?

RunScheduledTask[NotebookClose[#], {1}]; & @ MessageDialog["Will go away"]
3

Thanks very much. Worked like a charm. Cheers/BobK