Authentication expired automation

[SoCuul]

How would I go about setting up an automation to run when my icloud3 authentication expires?

Currently it is just left unauthenticated until I check the hass app, which is sub-optimal.

[gcobb321]

A message is displayed at the top of the Event Log when an authentication is needed. I believe it is also in the alerts attribute of the sensor.icloud_event_log entity. You might be able to set up an automation trigger using that. Request a new code, which j will display the authentication is needed message and fill in the alert attribute.

Then enter the code to clear the message and attribute