spatie/laravel-beyond-crud.com

use Illuminate\Support\ServiceProvider;
use Spatie\Flash\Flash;

class FlashServiceProvider extends ServiceProvider
{
    public function register()
    {
        Flash::levels([
            'success' => 'alert-success',
            'error' => 'alert-error',
        ]);
    }
}

return [
    //
    'providers' => [
        //
        App\Providers\FlashServiceProvider::class,
        //
    ],
    //
];