Dumplie\Inventory\Application\Command\PutBackProductToStock::sku PHP Method

    public function sku() : string
    {
        return $this->sku;
    }

 /**
  * @param PutBackProductToStock $command
  * @throws ProductNotFound
  */
 public function handle(PutBackProductToStock $command)
 {
     $product = $this->products->getBySku(new SKU($command->sku()));
     $product->putBackToStock();
 }