GlueParent.lua

    elseif ( event == "ACCOUNT_MESSAGES_AVAILABLE" ) then
--      ACCOUNT_MSG_NUM_AVAILABLE = arg1;
        ACCOUNT_MSG_HEADERS_LOADED = false;
        ACCOUNT_MSG_BODY_LOADED = false;
        ACCOUNT_MSG_CURRENT_INDEX = nil;
        AccountMsg_LoadHeaders();
    elseif ( event == "ACCOUNT_MESSAGES_HEADERS_LOADED" ) then
        ACCOUNT_MSG_HEADERS_LOADED = true;
        ACCOUNT_MSG_NUM_AVAILABLE = AccountMsg_GetNumUnreadMsgs();
        ACCOUNT_MSG_CURRENT_INDEX = AccountMsg_GetIndexNextUnreadMsg();
        if ( ACCOUNT_MSG_NUM_AVAILABLE > 0 ) then
            AccountMsg_LoadBody( ACCOUNT_MSG_CURRENT_INDEX );
        end
    elseif ( event == "ACCOUNT_MESSAGES_BODY_LOADED" ) then
        ACCOUNT_MSG_BODY_LOADED = true;
    end

CharacterSelect.lua

    -- Account Msg stuff
    if ( (ACCOUNT_MSG_NUM_AVAILABLE > 0) and not GlueDialog:IsShown() ) then
        if ( ACCOUNT_MSG_HEADERS_LOADED ) then
            if ( ACCOUNT_MSG_BODY_LOADED ) then
                local dialogString = AccountMsg_GetHeaderSubject( ACCOUNT_MSG_CURRENT_INDEX ).."\n\n"..AccountMsg_GetBody();
                GlueDialog_Show("ACCOUNT_MSG", dialogString);
            end
        end
    end