Data Validation in the Sheet Plus plugin

Help
1

Maybe I’m blind, but I’ve just installed the latest version of this - and there is supposedly the ability to add this functionality to cells, as a basic feature. But no matter where I do, the icons for this don’t appear on the toolbar.

So, is this a bug, or have I misunderstood something?

Thanks!

Things I have tried

2

Okay, ignore this. Finally worked it out … but the documentation should be updated to state that the “Start” button has to be switched to another position!