How do you add fixtures to the expanse alarm (ROBLOX)

So apparently it’s by scada but I’m not doing it in their dizzy server instead I’m using the fire panel forms but I don’t know how to add like fixtures like the Galaxy mk8 and some other fixtures

What are you even talking about?

Galaxy Mk8 is a burglar alarm keypad in the UK

its most likely a made up brand on roblox studio, on roblox studio you can build your own custom systems with any device you want to get