Create light switch in home assistant using MQTT

[D2K]

The topic is of course old, but maybe it will be useful to someone

  - light: 
        schema: template
        name: 'Hall'
        unique_id: a6-kcs-1-output-2
        state_topic: 'KC868_A6/XXXXXXXXXX/STATE'
        command_topic: 'KC868_A6/XXXXXXXXXX/SET'
        command_off_template: '{"output2":{"value":false}}'
        command_on_template: '{"output2":{"value":true}}'
        state_template: '{{ iif (value_json.output2.value == true , "on", "off") }}'