tradeFriend_Frame = CreateFrame("Frame");
tradeFriend_Frame:SetScript("OnLoad", tradeFriend_OnLoad);
tradeFriend_Frame:SetScript("OnEvent", tradeFriend_OnEvent);
tradeFriend_Frame:RegisterEvent("TRADE_SHOW");
tradeFriend_Frame:RegisterEvent("TRADE_MONEY_CHANGED");

function tradeFriend_OnEvent(this, event, a1, a2, a3, a4, ...)
	if event == "TRADE_SHOW" then
		DEFAULT_CHAT_FRAME:AddMessage("fired");
	elseif event == "TRADE_MONEY_CHANGED" then
		DEFAULT_CHAT_FRAME:AddMessage("fired");
	end
end