Workflow Guards - instructions for users

Hi Community,

I’m wondering if there is a way to create a browser pop-up (or something similar) that is associated with a Workflow guard. I’ve created a guard to prevent users from changing the state of a record under certain conditions. The guard works just fine, but I would like to give the user more of an explanation why they cannot make the change, and give them instructions on what they need to do.

Presently, they just get the normal error message at the top of the screen that just says the change was prevented by a guard.