Register the macro in boot method
<?php
namespace App\Providers;
use Illuminate\Support\ServiceProvider;
class AppServiceProvider extends ServiceProvider
{
/**
* Bootstrap any application services.
*
* @return void
*/
public function boot()
{
\App\Macros\Http\Response::registerMacros();
}
/**
* Register any application services.
*
* @return void
*/
public function register()
{
//
}
}