gamba69

blueprint:
  name: Offline detection for Z2M devices with last_seen
  description:
    Regularly test all sensors ended with '_last_seen' in name and 'timestamp' device_class
    ('last seen' Z2M sensors) to detect offline devices and if so - execute an action.
  domain: automation
  input:
    unseen:
      name: Minutes last seen
      description: Devices not seen this amount of time are assumed to be offline