Call hubitat URL with post to turn switch on or off

I have a siren and another app. If an alert if triggered in the other App I can issue a HTTP post/get to an URL. I would like to create an ON/off URL on hubitat to turn the siren on/off.

How would I do that ?

You can do this using Maker API.


ha easy, awesome. Thank you!
Get the commands:

Then build you command:[Device ID]/[Command]/[Secondary value]?access_token=xxx