protected function createRow($rowId, $id, $name, $qty, $price, $options)
        {
            $cart = $this->getContent();

            $newRow = new Container();

            $values = array(
                'rowid'     => $rowId,
                'id'        => $id,
                'name'      => $name,
                'qty'       => $qty,
                'price'     => $price,
                'options'   => new Container($options),
                'subtotal'  => $qty * $price
            );

            $newRow->populate($values);

            $cart->put($rowId, $newRow);

            return $cart;
        }