public function setItems(array $items)
    {
        $cont = 0;
        $fItems = [];
        foreach ($items as $item) {
            $cont++;

            $fItems = array_merge($fItems, [
              'itemId'.$cont          => $this->sanitize($item, 'itemId'),
              'itemDescription'.$cont => $this->sanitize($item, 'itemDescription'),
              'itemAmount'.$cont      => $this->sanitizeMoney($item, 'itemAmount'),
              'itemQuantity'.$cont    => $this->sanitizeNumber($item, 'itemQuantity'),
            ]);
        }

        $this->itemsCount = $cont;
        $this->validateItems($fItems);
        $this->items = $fItems;

        return $this;
    }