code: func (r Network_Storage) GetNotificationSubscribers() (resp []datatypes.Notification_User_Subscriber, err error) {
  	err = r.Session.DoRequest("SoftLayer_Network_Storage", "getNotificationSubscribers", nil, &r.Options, &resp)
  	return
  }
docs: // Retrieve The subscribers that will be notified for usage amount warnings and overages.