automation.yaml

blueprint:
  name: Switch-activated Light
  description: Turn on a light on/off following a switch.
  domain: automation
  input:
    switch_entity:
      name: Switch
      selector:
        entity:
    light_target:
      name: Light
      selector:
        target:
          entity:
            domain: light

mode: restart
max_exceeded: silent

condition:
  - condition: template
    value_template: '{{ trigger.from_state.state != trigger.to_state.state }}'

trigger:
  platform: state
  entity_id: !input switch_entity

action:
  - alias: "Turn on/off the light"
    service: "light.turn_{{ trigger.to_state.state }}"
    target: !input light_target