Hey there,
i am quite new to the developing part of homeassistant.
I found a useful lovelace-card on github (https://github.com/RossMcMillan92/lovelace-collapsable-cards).
I would now like to have this card being able to get the entities from the gui (visual editor) and not just via code.
I found this documentation:
But to be honest - i do not really understand what to do.
Could you experts help me?
Greetings
Nic