HA - Letterbox Push Notification with Camera Snapshot

- id: '1593202103535'
  alias: Pushover Letter Box
  description: ''
  trigger:
  - entity_id: binary_sensor.letter_box
    from: 'off'
    platform: state
    to: 'on'
  condition:
  - condition: time
    after: 07:00:00
    before: '20:00:00'
  action:
  - service: camera.snapshot
    data:
      entity_id: camera.uniuvc1
      filename: /config/www/tmp/snapshot_camera.uniuvc1.jpg
  - service: notify.pushover
    data_template:
      data:
        attachment: /config/www/tmp/snapshot_camera.uniuvc1.jpg
        priority: 0
        sound: spacealarm
      message: You got mail at {{ now().strftime('%-I:%M:%S %p %-m/%-d/%y') }}
      title: Home Assistant - Letter Box
  - service: script.letterbox_alert
    data: {}
  mode: single