Guide: Register the server communication protocol

local DBHandler = require "dbhandler"

PackageHandlers.registerServerHandler("LevelChangeServer", function(player, packet)
    DBHandler:setData(player.platformUserId, 51, packet[1],true)
    World.CurWorld.SystemNotice(1, "level up:  "..string.format("%.0f",packet[1]), 40)
end)

PackageHandlers.registerServerHandler("ExpChangeServer", function(player, packet)
    DBHandler:setData(player.platformUserId, 52, packet[1],true)
end)