Home Assistant Blueprint to send a notification if the outdoor temp is higher then the indoor temp

outdoor_temperature_notification.yaml

blueprint:
  name: Window Temperature Notification
  description: Send a notification to open/close the windows
  domain: automation
  input:
    outdoor_temp:
      name: Outdoor Temperature
      description: The outdoor temperature sensor.
      selector:
        entity:
          domain: sensor
    indoor_temp:
      name: Indoor Temperature
      description: The indoor temperature sensor.
      selector:
        entity:
          domain: sensor
    required_offset:
      name: Offset
      description: >
        The minimal difference required for the notification to be sent.
      selector:
        number:
          max: 10
          min: -10
          mode: box
          step: 0.1
      default: 0.0
    notify_device:
      name: Device
      description: The device to send a notification to
      selector:
        device:
          integration: mobile_app
    notify_title:
      name: Title
      description: The message title
      selector:
        text:
          type: text
          multiline: false
    notify_message:
      name: Message
      description: The message
      selector:
        text:
          type: text
          multiline: true

mode: single
max_exceeded: silent

variables:
  outdoor: !input outdoor_temp
  indoor: !input indoor_temp
  offset: !input required_offset

trigger:
  - platform: state
    entity_id:
      - !input outdoor_temp
      - !input indoor_temp

condition:
  - condition: template
    value_template: >
      {{ (states(outdoor)|float - states(indoor)|float) > offset|float }}

action:
  - domain: mobile_app
    type: notify
    device_id: !input notify_device
    title: !input notify_title
    message: !input notify_message