Makes sense it should be possible.
On the dsc, I can send a raw command, including a panic. Unfortunately the alarm company will then just see it as a panic without a zone nr.
Going to investigate it more.
You could have it send a telegram message saying it's a fire zone, which you could relay to the company
That I'd do anyway, but - the idea is for them to respond when I can't.
There is a Alarm: Trigger service which will probably do what you need.
The other option is that one of my PGMs is setup to trigger, and then you activate that PGM
The trigger service is specific to HA I think, it doesn't trigger the actual Paradox alarm. i.e. it triggers the HA side of the alarm so you can various automation act on it. (basically - the same thing PAI calls when the alarm is triggered)
The PGM way is actually a good idea - I'm sure it can be set to report back to them as an event - and they can have it on their side as a fire alarm.
I see the Xiaomi fire detectors are about R500 vs over R2000 for the Paradox one - and I want 5 at the moment (2x fireplace, 1x braai, 1x stove/oven, 1x 3d printer)