knx_virtual_simple_light.yaml

blueprint:
  name: Virtual KNX Device - Simple Light
  description: Vitual KNX Device that represant in simple light
  domain: automation
  input:
    address:
      name: Address
      description: KNX group address for switching the light on and off. DPT 1.001
    state_address:
      name: State Address
      description: KNX group address for exposing the switch state of the light. DPT 1.001
    target_light:
      name: Light
      description: The light to keep in sync.
      selector:
        entity:
          domain: light
variables:
  address: !input 'address'
trigger:
- platform: homeassistant
  event: start
- platform: event
  event_type: automation_reloaded
- platform: event
  event_type: knx_event
  event_data:
    destination: !input 'address'
action:
- choose:
  - conditions:
    - condition: template
      value_template: '{{ trigger is defined and trigger.platform == "event" and trigger.event.event_type == "knx_event" }}'
    sequence:
      - choose:
        # TURN ON
        - conditions:
          - condition: template
            value_template: '{{ trigger.event.data.destination == address and trigger.event.data.data == 1 }}'
          sequence:
            - service: light.turn_on
              data:
                entity_id: !input target_light
                
        # TURN OFF
        - conditions:
          - condition: template
            value_template: '{{ trigger.event.data.destination == address and trigger.event.data.data == 0 }}'
          sequence:
            - service: light.turn_off
              data:
                entity_id: !input target_light
                
  # INITIALIZE
  - conditions:
      condition: or
      conditions:
      - condition: template
        value_template: '{{ trigger is not defined }}'
      - condition: template
        value_template: '{{ trigger.platform == "homeassistant" }}'
      - condition: template
        value_template: '{{ trigger.platform == "event" and trigger.event.event_type == "automation_reloaded" }}'
    sequence:
      - service: knx.event_register
        data:
          address: '{{ address }}'
      - service: knx.exposure_register
        data:
          address: !input state_address
          type: binary
          entity_id: !input target_light