I used Audio control instead of Timer. It has all necessay properties as timer. e.g. OnEnd, Time(laps), loop, etc. You can use silent sound file as Media. In my case, I used one minute long silent sound file and let it repeat as many as I needed.
@papires I've not had a requirement since I responded but I have noticed a new experimental feature that might be worth a go. It can be found in advanced settings. If I get a chance I will try and take a look but if you get there before me please post back in this thread 🙂