how to make a timer that counts from 30 to 0 secon

how to make a stopwatch/timer that counts from 30 to 0 seconds

create variable (timer) and text object

in event editor create event 'every tick' and set text of text object and call this                      "timer: " & timer

In event editor set this variable to 30 and another event called Every X seconds and substract from timer

do you have example?

https://www.dropbox.com/sh/7vck5yfrglkcvi2/4tHPOSmDGF/Countdown%20to%2030%20program.capx

Here you go. I had a minor jankiness with it, but I think it could be my computer.

Edit : Woops. Fixed the link. Forum keeps flubbing it.

link not working