Home Assistant Hot Tip: Dynamic Scene

script.yaml

alias: Flash Ceiling lights Red
sequence:
  - service: scene.create
    data:
      scene_id: previous_ceiling_lights_state
      snapshot_entities:
        - light.ceiling_lights
  - service: light.turn_on
    data:
      rgb_color:
        - 255
        - 0
        - 0
      brightness_pct: 100
    target:
      entity_id: light.ceiling_lights
  - delay:
      hours: 0
      minutes: 0
      seconds: 2
      milliseconds: 0
  - service: scene.turn_on
    data: {}
    target:
      entity_id: scene.previous_ceiling_lights_state
mode: single
icon: mdi:flash