new_device_notificator.yaml

blueprint:
  name: "New Device Notificator"
  description: "Executes custom actions when new devices are discovered. If detection occurs outside the scheduled time, actions run at the next start time. Includes a list of discovered devices."
  domain: automation
  author: "Edison Montes @_GeekMD_"
  input:
    start_time:
      name: Start Time
      description: Time from which the automation will be active.
      default: "08:00:00"
      selector:
        time: {}
    end_time:
      name: End Time
      description: Time until which the automation will be active.
      default: "22:00:00"
      selector:
        time: {}
    actions:
      name: Actions to Execute
      description: Actions to perform when new devices are detected. Use `{{ new_devices }}` to list them.
      selector:
        action: {}

variables:
  # Capture new device names from the event
  new_devices: >-
    {% if trigger.event and trigger.event.event_type == 'device_registry_updated' and trigger.event.data.action == 'create' %}
      {% set device_id = trigger.event.data.device_id %}
      {% set device = states.device_tracker | selectattr('attributes.device_id', 'eq', device_id) | first %}
      {% if device %}
        [{{ device.attributes.friendly_name | default('Unnamed Device') }}]
      {% else %}
        ['Unnamed Device']
      {% endif %}
    {% else %}
      []
    {% endif %}

mode: single

trigger:
  # Trigger when a new device is detected
  - platform: event
    event_type: device_registry_updated
    event_data:
      action: create
    id: new_device_detected

  # Trigger at the start of the defined schedule
  - platform: time
    at: !input start_time
    id: start_time_trigger

condition:
  - condition: or
    conditions:
      # Condition 1: Execute if detected within the schedule
      - condition: and
        conditions:
          - condition: trigger
            id: new_device_detected
          - condition: time
            after: !input start_time
            before: !input end_time

      # Condition 2: Execute at start time if detected outside hours
      - condition: and
        conditions:
          - condition: trigger
            id: start_time_trigger
          - condition: template
            value_template: >
              {% set last_run = state_attr(this.entity_id, 'last_triggered') %}
              {{ last_run is not none and 
                 (now() - last_run).total_seconds() < 86400 }}

action:
  - choose: []
    default: !input actions