Home Assistant Blueprint to Turn lights on or off based on another light's state changes

connect_lights.yaml

blueprint:
  name: Connect lights
  description: Turn lights on or off based on another light's state changes
  domain: automation
  input:
    target_lights:
      name: Lights
      description: The lights to sync
      selector:
        entity:
          multiple: true
          filter:
            - domain: light

trigger:
  - platform: state
    entity_id: !input target_lights
    to: null

condition:
  - condition: template
    value_template: "{{ trigger.to_state.state != 'unkown' and trigger.to_state.state != 'unavailable' }}"

action:
  - repeat:
      for_each: !input target_lights
      sequence:
        - if:
            - condition: template
              value_template: "{{ trigger.entity_id != repeat.item }}"
              alias: Testa se não é o item que gerou o trigger
            - condition: template
              value_template: "{{ trigger.to_state.state != states(repeat.item) }}"
              alias: Testa se o item já não está ligado/desligado
          then:
            - service: light.turn_{{ trigger.to_state.state }}
              target:
                entity_id:
                  - "{{ repeat.item }}"
              alias: Liga ou desliga luz
          alias: Liga ou desliga luz somente se a outra luz precisar

mode: single
max_exceeded: silent