Bydga's HA hue dimmer switch blueprint

bydga_hue_rwl022.yaml

blueprint:
  name: Bydga Custom Hue Switch Action
  domain: automation
  input:
    switch_device:
      name: Zigbee Switch
      description: Select the Zigbee switch that will trigger the actions.
      selector:
        device:
          integration: zha  # Change if using zigbee2mqtt
          
    target_lights:
      name: Target Lights
      description: Select the lights to control.
      selector:
        entity:
          domain: light
          multiple: true  # Correct placement of multiple here

mode: single

trigger:
  - platform: device
    device_id: !input switch_device
    domain: zha
    type: remote_button_short_press
    subtype: turn_on
    id: toggle

  - platform: device
    device_id: !input switch_device
    domain: zha
    type: remote_button_short_press
    subtype: dim_up
    id: dim-up

  - platform: device
    device_id: !input switch_device
    domain: zha
    type: remote_button_short_press
    subtype: dim_down
    id: dim-down

variables:
  first_light: "{{ (target_lights | list)[0] if target_lights else none }}"

action:
  - choose:
      - conditions:
          - condition: trigger
            id: toggle
        sequence:
          - service: light.toggle
            data:
              transition: 0.4
            target:
              entity_id: !input target_lights

      - conditions:
          - condition: trigger
            id: dim-up
        sequence:
          - service: light.turn_on
            data:
              brightness_step_pct: 20
              transition: 0.4
            target:
              entity_id: !input target_lights

      - conditions:
          - condition: trigger
            id: dim-down
        sequence:
          - condition: template
            value_template: "{{ states(first_light) is not none and state_attr(first_light, 'brightness') | float > 51 }}"
          - service: light.turn_on
            data:
              brightness_step_pct: -20
              transition: 0.4
            target:
              entity_id: !input target_lights
          - condition: template
            value_template: "{{ states(first_light) is none or state_attr(first_light, 'brightness') | float <= 51 }}"
          - service: light.turn_on
            data:
              brightness_pct: 3
              transition: 0.4
            target:
              entity_id: !input target_lights