Room Occupancy Rule

Setup, Configuration and Use Scripts & Rules
3

You only need to check the state of your beacons once and the name attribute is a String but state is a State…

gRoomOccupancy.members.forEach[ room |
    if (room.name != ChetBeacon.state.toString || room.name != KathrinBeacon.state.toString) {
        room.sendCommand(if (room.state == OFF) ON else OFF)
    }
]

However, your hardware would go really well with…