core/homeassistant/components/persistent_notification/services.yaml

create:
  name: Create
  description: Show a notification in the frontend.
  fields:
    message:
      name: Message
      description: Message body of the notification.
      required: true
      example: Please check your configuration.yaml.
      selector:
        text:
    title:
      name: Title
      description: Optional title for your notification.
      example: Test notification
      selector:
        text:
    notification_id:
      name: Notification ID
      description: Target ID of the notification, will replace a notification with the same ID.
      example: 1234
      selector:
        text:

dismiss:
  name: Dismiss
  description: Remove a notification from the frontend.
  fields:
    notification_id:
      name: Notification ID
      description: Target ID of the notification, which should be removed.
      required: true
      example: 1234
      selector:
        text:

dismiss_all:
  name: Dismiss All
  description: Remove all notifications.