Add Notification Message for Buy Balance

system/autoload/Balance.php

@@ -0,0 +1,20 @@
+<?php
+/**
+* PHP Mikrotik Billing (https://github.com/hotspotbilling/phpnuxbill/)
+* This script is for managing user balance
+**/
+
+class Balance {
+
+    public static function add($customer, $amount, $note){
+
+    }
+
+    public static function transfer($customer, $phoneTarget){
+
+    }
+
+    public static function pay($customer, $amount, $note){
+
+    }
+}