{ availability_topic: /ham/zigbee/bridge/state command_topic: /ham/zigbee/flur_arbeitszimmer_osram2/set - platform: "mqtt" state_topic: "zigbee2mqtt/" availability_topic: "zigbee2mqtt/bridge/state" payload_on: true payload_off: false value_template: "{{ value_json.battery_low}}" device_class: "battery" }