Alert on sensor level

ha_bp_level_alert.yaml

blueprint:
  name: Alert on sensor level
  domain: automation
  author: Odd Stråbø <oddstr13@openshell.no>
  
  input:
    sensor_name:
      name: Name
      selector:
        text:
    level_sensor:
      name: Sensor
      selector:
        entity:
          filter:
            domain: sensor

    level_value:
      name: Value
      selector:
        number:
          step: "any"
          mode: "box"

    update_frequency:
      name: Update frequency
      default: 10
      selector:
        number:
          min: 1
          max: 60
          unit_of_measurement: min

variables:
  sensor_name: !input sensor_name
  update_frequency: !input update_frequency
  level_sensor: !input level_sensor
  level_value: !input level_value
      

description: ""
mode: single
trigger:
  - platform: numeric_state
    entity_id: !input level_sensor
    below: !input level_value
  - platform: time_pattern
    minutes: "/{{ update_frequency }}"
    seconds: "0"
    hours: "*"

condition: []

action:
  - if:
      - condition: numeric_state
        entity_id: !input level_sensor
        below: !input level_value
    then:
      - service: persistent_notification.create
        data:
          message: "{{ sensor_name }} dropped below {{ level_value }}"
          notification_id: "notif-{{ level_sensor }}-{{ level_value }}"
        enabled: true
      - service: notify.notify
        data:
          message: >-
            {{ sensor_name }} is {{ states(level_sensor, with_unit=True) }}
          data:
            tag: "tag-{{ level_sensor }}-{{ level_value }}"
            visibility: public
            persistent: true
            alert_once: true
    else:
      - service: persistent_notification.dismiss
        data:
          notification_id: "notif-{{ level_sensor }}-{{ level_value }}"
      - service: notify.notify
        data:
          data:
            tag: "tag-{{ level_sensor }}-{{ level_value }}"
          message: clear_notification