Thank you for you reply,

I add this dummy switch just to do some testing, but I also tried the same script with another device (door detection) but with the same result. I'm switching the dummy device manually. Nothing special about that, it's just a "default" dummy switch on/off device.

I tried ...

Hello,

I have some troubles using lua scripts. They aren't working at all, whatever I write. For example here with a dummy switch named "dummy":

commandArray = {}
if (otherdevices['dummy'] == 'On') then
print ("Hello world")
end
return commandArray

nothing happen when I switch on/off my device ...