Automations and todo lists

Configuration Blueprints
1

I would like to create an automation that’s adds a todo item when a battery level gets low. It seems straight forward to create an automation for a specific device but is there a way to make a single automation that can add todo list items for each device?

2

Yes, you can create a list of your batteries in state ‘low’ and then run an action/service to add this to the list.
This is but an example for how I create zones

alias: New automation
description: ""
trigger:
  - platform: time_pattern
    minutes: /5
condition: []
action:
  - repeat:
      for_each: >-
        {{states.zone |selectattr('entity_id', 'search',
        'station_')|map(attribute='entity_id') | list }}
      sequence:
        - action: zone.delete
          data:
            entity_id: "{{ repeat.item }}"
  - repeat:
      for_each: "{{ state_attr('sensor.test_stations', 'stations') | list  }}"
      sequence:
        - action: zone.create
          data:
            radius: 100
            icon: mdi:gas-station-in-use-outline
            name: "{{ 'station_' + repeat.item.name }}"
            latitude: "{{ repeat.item.latitude }}"
            longitude: "{{ repeat.item.longitude }}"
mode: single