What to use - 'device' or 'state'?

[tom_l]

Why and how to avoid device_ids in automations and scripts

Background When you start writing automations, a device trigger seems the obvious choice. Everybody knows what a device is and it comes at the top of the UI dropdown list. [image] It works… but it is certainly not a “great way to start” because it is storing up problems for the future. Far better to use entity, with state or numeric_state. Device_id problems The yaml will be longer and harder to follow, which may make maintenance difficult, especially a few months down the line when you h…