Dude… it took me 5 sec to search “soap” in this forum an hit the below, I am not sure why you don’t find it.
There are many people writing things years before us (and better than us) so the first thing in this forum is to search a bit before posting. Another source of inspiration is to get the smartthings public GitHub on your laptop and grep/find in the hundreds of sources how people/smartthings team do stuff.