ArturkA

Try handle 'webSession' from 'steam-user' he pass 'sessionId' and 'cookies' which you can set to 'steam-tradeoffer-manager' and 'steam-community' using function 'setCookies'.

Thanks for the explanation.

What is needed and how can a "auth secret" be used that is returned by the "getAuthSecret" method. And what does "pre-shared key" mean?

Is it possible use the modules node-globaloffensive or node-tf2 connect to the game servers of the community of these games?