public static byte[] getTradeItemAdd(byte number, Item item) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.PLAYER_INTERACTION.getValue());
            mplew.write(PlayerInteractionHandler.Interaction.SET_ITEMS.action);
            mplew.write(number);
            mplew.write(item.getPosition());
            PacketHelper.addItemInfo(mplew, item);


            return mplew.getPacket();
        }