first upload all files

Modules/Option/Providers/EventServiceProvider.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Modules\Option\Providers;
+
+use Modules\Product\Entities\Product;
+use Modules\Option\Listeners\SaveProductOptions;
+use Modules\Option\Http\Requests\SaveProductOptionsRequest;
+use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
+
+class EventServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap the application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        parent::boot();
+
+        Product::saving(function () {
+            resolve(SaveProductOptionsRequest::class);
+        });
+
+        Product::saved(SaveProductOptions::class);
+    }
+}