ansible-home-assistant/roles/scripts/templates/check-unavailable.yaml.j2

check_unavailable:
  alias: '[INFO] Check unavailable devices'
  sequence:
{% for entity in entities %}
    - choose:
        - conditions:
            - condition: state
              entity_id: {{ entity }}
              state: unavailable
          sequence:
            - service: notify.home_assistant
              data:
                message: >
                  Device unavailable
                  {% raw %}{{ {% endraw %} device_attr('{{entity}}', 'name_by_user'){% raw %} }} ( {{ {% endraw %}  device_attr('{{entity}}', 'name') {% raw %} }} ) {% endraw %}is unavailable
                target: [ "1109936159951441960" ]
{% endfor %}