lights.yaml

- platform: template
  lights:
    always_on:
      friendly_name: 'Always On Light to Prevent Automation Errors'
      value_template: true
      turn_on:
      turn_off:

    always_off:
      friendly_name: 'Always Off Light to Prevent Automation Errors'
      value_template: false
      turn_on:
      turn_off:

    maysons:
      friendly_name: "Mayson's Lights"
      value_template: "{% if is_state('light.maysons_switch', 'on') %}on{%else%}off{%endif%}"
      level_template: "{% if is_state('light.maysons_switch', 'on') %}{{state_attr('light.maysons_switch', 'brightness')}}{%else%}0{%endif%}"
      turn_on:
        service: light.turn_on
        data:
          entity_id: light.maysons_switch, light.maysons_outlet
      turn_off:
        service: light.turn_off
        data:
          entity_id: light.maysons_switch, light.maysons_outlet
      set_level:
        service: light.turn_on
        entity_id: light.maysons_switch, light.maysons_outlet
        data_template:
          brightness: '{{ brightness }}'