Hi, I found this Lua code that works for me: commandArray = {} -- sound values: -- 10 = Doorbell -- 20 = Knock -- 30 = Hilarious -- 40 = Alarm clock sound = 10 volume = 80 if devicechanged['Timbre'] == 'Group On' then commandArray['Xiaomi Gateway Volume']='Set Level '..tostring(volume) commandArray ...