Login as a regular user. This user should have a dialog with your primary user who will receive notifications.
To enable it, you need to fill in the settings.json file your telegramApiHash and telegramApiId from the user who will send the notifications. That you obtain through Telegram's API development tools page.
telegramPhoneNumber - in the international format - the user who sends notifications.
telegramSendToUserName - @alias of your telegram user who gets notifications. The dialog between users should already exist!
delaySec - minimum delay between notifications. To avoid spamming. If there is a new notification, but less time has passed since the previous one. That new notification will not be sent.
enabled - is enabled after start.