diff --git a/app/Providers/AppServiceProvider.php b/app/Providers/AppServiceProvider.php
index 3a20505..236bf62 100644
--- a/app/Providers/AppServiceProvider.php
+++ b/app/Providers/AppServiceProvider.php
@@ -50,6 +50,12 @@ public function register(): void
      */
     public function boot(): void
     {
+        \Illuminate\Database\Schema\Blueprint::macro('userIdFields', function () {
+            $this->unsignedInteger('created_by')->nullable();
+            $this->unsignedInteger('updated_by')->nullable();
+            $this->unsignedInteger('deleted_by')->nullable();
+        });
+
         \Livewire\Livewire::component('app.filament.pages.price-list-processor', \App\Filament\Pages\PriceListProcessor::class);
 /*
         \Livewire\Livewire::component('filament.livewire.notifications', \Filament\Livewire\Notifications::class);