Binary_sensor using last_changed attribute
entities:
- entity: binary_sensor.door_window_sensor_158d0002027f13
- entity: binary_sensor.motion_sensor_158d0002236c25
- entity: binary_sensor.washmachine
secondary_info: last-changed`
Any ideas on how to show secondary_info: last-changed only when binary_sensor.washmachine is switched on.
useful links
Binary_sensor value template using last_changed attribute not updated
https://github.com/home-assistant/core/issues/29275