midtrans succes paid, but will be drop

system/controllers/callback.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * PHP Mikrotik Billing (https://ibnux.github.io/phpmixbill/)
+ **/
+_auth();
+$ui->assign('_system_menu', 'order');
+$action = $routes['1'];
+$user = User::_info();
+$ui->assign('_user', $user);
+
+
+require('system/autoload/Paymentgateway.php');
+require('system/autoload/Recharge.php');
+
+switch ($action) {
+    case 'xendit':
+        echo "done";
+        break;
+    case 'midtrans':
+        echo "done";
+        break;
+    case 'tripay':
+        echo "done";
+        break;
+    default:
+        echo "not found";
+}