first upload all files

Modules/Order/Providers/EventServiceProvider.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Modules\Order\Providers;
+
+use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
+
+class EventServiceProvider extends ServiceProvider
+{
+    /**
+     * The event listener mappings for the application.
+     *
+     * @var array
+     */
+    protected $listen = [
+        \Modules\Order\Events\OrderStatusChanged::class => [
+            \Modules\Order\Listeners\SendOrderStatusChangedEmail::class,
+            \Modules\Order\Listeners\SendOrderStatusChangedSms::class,
+        ],
+    ];
+}