Alexa commands not working right?

I signed up for test flight, got the beta version of the WYZE app, and Alexa now sees my vacuum and has a skill for it. But…it won’t respond to the commands I found on the forum here. Instead all I can do is “Alexa, tell Wyze Robot Vacuum to turn on” and also to turn off. That’s it.
Is there an updated list of commands or something?