Laravel 5.4 UuidTrait instead on incrementing id

HasPrymaryUuidTrait.php

<?php

namespace App;

use Ramsey\Uuid\Uuid;

trait HasPrimaryUUID
{
	protected static function boot()
	{
		parent::boot();

		static::creating(function ($model) {

			$model->{$model->getKeyName()} = Uuid::uuid4()->toString();

		});
	}
}