@EventHandler(priority = EventPriority.MONITOR)
    public void onSellTransaction(TransactionEvent event) {
        if (event.getTransactionType() != SELL) {
            return;
        }

        String firstLine = SELL_TRANSACTION_FIRST_LINE
                .replace("%client", event.getClient().getName())
                .replace("%stock", parseItemInformation(event.getStock()));

        String secondLine = SELL_TRANSACTION_SECOND_LINE
                .replace("%owner", event.getOwner().getName())
                .replace("%price", Economy.formatBalance(event.getPrice()));

        Notification notification = new Notification("ChestShop", firstLine, secondLine);
        notifications.showNotification(notification);
    }