Hallo until Yesterday we had an Alexa and with the Command “Alexa, Light on” the light in Room 1 turned on. now we have a second in the next room. In this room the light schould turnd on with the same command ("Light on). is this posible? “Knows” Alexe (or openhab) from which Room/Device the Comm…

You wouldn’t need to use this workaround for lights. This can be accomplished in the Alexa app by adding the relevant light devices and echo device to a room specific group.