public static byte[] expeditionInvite(MapleCharacter from, int exped) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.EXPEDITION_OPERATION.getValue());
            mplew.write(99);//87
            mplew.writeInt(from.getLevel());
            mplew.writeInt(from.getJob());
            mplew.writeInt(0);
            mplew.writeMapleAsciiString(from.getName());
            mplew.writeInt(exped);

            return mplew.getPacket();
        }