Sensor notification automation when HA/Z2M is restarted

[Sir_Goodenough ((SG) WhatAreWeFixing.Today)]

There are also things like this you can do. adapt as needed…

@CentralCommand

trigger:
  - platform: state
    entity_id:
      - sensor.some_sensor
    not_from: ["unavailable", "unknown"]
    not_to: ["unavailable", "unknown"]

@tom_l

triggers:
  - trigger: state
    entity_id: binary_sensor.your_entity_here
    to: "off"
    not_from:
      - unknown
      - unavailable