Since BKE mentioned Keyboard Meastro, it’s one of my FAV app. I highly recommend it.
For me I have F12 and it exports to STL.
I have a PC Gaming Mouse with a numpad on the side that has 12 numbered buttons, it’s reprogrammed to F1 to F12 so when I hit 12 it exports.
And for Jean KM can generate RANDOM() and insert it into Shapr. 