Delete the topic please

Hello,
I have an roller shutter inside my couch motor. I can’t control it with percent, but with open, close and stop. It’s a Shelly 2.5 inside. How can I configure that with Alexa? I wanna say “Alexa, open the couch…close…stop”.

I use openHab 3.0.1

Thx and have a nice day =)