dim down lights

dimdown.yaml

# Blueprint metadata
blueprint:
  name: Dim down active lamps
  description: |
    # Only dim down lamps that are currently on
  source_url: https://gist.github.com/charno/
  domain: script
  input:
    target_light:
      name: Lights
      description: The lights to dim down
      selector:
        entity:
          multiple: true
          filter:
            - domain: light
    brightness_step:
      name: Step
      description: How much should each step be dimming down?
      default: 25
      selector:
        number:
          min: 1
          max: 254
    min_brightness:
      name: Minimum brightness
      default: 10
      selector:
        number:
          min: 1
          max: 254

variables:
  target_light: !input target_light
  min_brightness: !input min_brightness
  brightness_step: !input brightness_step

sequence:
  - repeat:
      for_each: >-
        {{ expand(target_light) | selectattr('state', 'eq',
        'on') | map(attribute='entity_id') | list }}
      sequence:
        - alias: "Decrease brightness by step"
          service: light.turn_on
          data_template:
            entity_id: '{{ repeat.item }}'
            brightness: >
              {% set bri = state_attr(repeat.item, 'brightness') | int %}
              {{ [bri-brightness_step, min_brightness] | max }}
            transition: 1