- alias: Alert on motion while we're away
  trigger:
    - platform: state
      entity_id: group.home_motion_sensors
      from: 'off'
      to: 'on'
  condition:
    - condition: state
      entity_id: switch.vacation
      state: 'on'
  action:
    - service: notify.gmail_notifier
      data_template:
        title: "Motion has been detected in the house"
        message: 'Motion has been detected by one of the motion sensors'