Lights turn off in sequence in home assistant

alias: spegniLuci_inCascata
sequence:
  - repeat:
      for_each: >-
        {{
        states.light|selectattr('state','equalto','on')|rejectattr('entity_id',
        'equalto', 'light.rgb_salotto')|map(attribute='entity_id')|list }}
      sequence:
        - service: light.turn_off
          target:
            entity_id: "{{ repeat.item }}"
        - delay:
            hours: 0
            minutes: 0
            seconds: 0
            milliseconds: 500
mode: single