Lovelace: Button card

[petro]

FYI read this, last_changed is not an attribute btw.

Last_updated State and last-changed in Lovelace

Ok, so this is where things get funky. You should familiarize yourself with home assistant state objects. This is what home assistant passes around when doing pretty much anything. These state objects contain 8 or so properties. Do not get these properties confused with the devices attributes. These properties are: Field Description state.state String representation of the current state of the entity. Example off. state.entity_id Entity ID. Format: .<object_id>. Example: light.…