Hey everyone. I'm new here - hope this forum will be of some help.

I'm trying to make a sort of counter which counts down from 60 seconds.
Every time I push the "R" button on my keyboard, I want to ADD 20 seconds to the time that's left on the counter.
(Ex: if the countdown is at 43, when i hit "r", i want it to start counting down from 63 (and so on)).

I can't seem to figure this out in a ""simple"" way. I've tried counting with METRO and with CLOCK, but the problem is adding the 20 and letting the countdown count down from the new value. Instead, i managed to add 20, but only for a second, where the counter would then again count down from where it was when i pushed the R button)... Any help would be greatly appreciated!

Thank you.

That's exactly what i was looking for!!
Thanks so much!