I must have missed something but what is a device_id and how is it different in function from an entity_id?
Is it something just to do with the UI - I only use YAML?
The Templating docs have this
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device_id(entity_id)returns the device ID for a given entity ID or device name. Can also be used as a filter.
So I am assuming there is some use to us (rather than the system) in knowing what it is?
Again, sorry for such a fundamental question…
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