🔹 Auto-entities - Automatically fill cards with entities

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Not 100% sure this will work, but try using the expand function on your group, and then replace your question marks with config.entity i.e.:

filter:
  include:
    -  template: {{ expand('group.em_qbus_l123_power') | map(attribute="entity_id") | list }}

For the entity state, it might be something like {{ states(config.entity) | round(1) }}. Unless you want to change the name and icon from the default for each entity, you can just leave those definitions out.