callbackSession.js

Session.generate({ user: 'stephen' }, function(err, result) {

  var token = result.token;
  session.set('expirationTime', Date.now());

  session.save(function(err, result) {

    // re-fetch
    Session.load(token, function(err, fetchedSession) {

      // do something with the newly fetched instance
      assert.equals(fetchedSession.get('user'), 'stephen');

      fetchedSession.delete(function(err) {
        // done
      });
    });
  });
});