function getServerIP()
    local serverIP
    callRemote("http://ip-api.com/json/?fields=query",function(data)
        if data then
            serverIP = data.query
            outputChatBox(serverIP) -- got ip
        end
    end)

    return serverIP
end

outputChatBox(serverIP) -- got nil
local ip = getServerIP()
outputChatBox(ip) -- got nil