everyauth.everymodule.findUserById() is not called

I use everyauth module and redis to store sessions.I try to call req.user from server side but it returns 'undefined'. I having problems writing findUserById() function so i tried:

everyauth.everymodule.findUserById (userId, callback) ->
    console.log "user id is #{userId}"
    callback null, userId: userId

But it never get called. Please, help me figure it out