def add_notification(self, name, enabled=True):
		"""Add new Notification to Registration message

		:param string name: Notification Name
		:param boolean enabled: Enable this notification by default
		"""
		notice = {}
		notice['Notification-Name'] = name
		notice['Notification-Enabled'] = enabled

		self.notifications.append(notice)
		self.add_header('Notifications-Count', len(self.notifications))
Add new Notification to Registration message

		:param string name: Notification Name
		:param boolean enabled: Enable this notification by default