chattest.lua

local bit
if ( not jit ) then
    bit = require( "bit" )
else
    bit = _G.bit
end

require( "lopensteamworks" )

local hSteamPipe = ISteamClient012.CreateSteamPipe();
local hSteamUser = ISteamClient012.ConnectToGlobalUser(hSteamPipe);

local steamFriends = ISteamClient012.GetISteamFriends( hSteamUser, hSteamPipe );

local b;
local CallbackMsg;

while(true) do
    b, CallbackMsg = Steam_BGetCallback(hSteamPipe)
    if (b) then
        if (CallbackMsg.m_iCallback == 808) then
            for k, v in pairs( CallbackMsg.m_pubParam ) do
                print( k, v )
            end
        end

        Steam_FreeLastCallback( hSteamPipe );
    end
end