Placeholder Sheets

I was reminded how great the placeholder option is.

I needed to create a drawing schedule but some of the sheets we don't need right now

but will need later. So I created some placeholders (the top three sheets seen below).

Now I need to issue schematic design without those placeholders included so I clicked on Hide and voila:

Now how do I know what sheets I have yet to create? Click on Isolate & tada: