Home Assistant start Notify Telegram

ha_start_notify_telegram.yaml

blueprint:
  name: HA start Notify Telegram
  description: Notify telegram that Home Assistant has successfully started
  domain: automation
  source_url: https://gist.github.com/nikosthanos/3c3e7b39056b94008f5f04f9d7da563e
  input:
    notification_title:
      name: Notification title (Optional)
      description: 'Default: "My Home Assistant"'
      default: My Home Assistant
    notification_message:
      name: Notification message (Required)
      description: 'Default: "Hassos has succesfully started!"'
      default: Hassos has succesfully started!
trigger:
  platform: homeassistant
  event: start
variables:
  notification_title: !input 'notification_title'
  notification_message: !input 'notification_message'
action:
- service: telegram_bot.send_message
  data:
    message: !input 'notification_message'