How to set callback url in Facebook realtime updates using nodejs

Is there any way that I can do realtime update from Facebook in localhost and if it can not how to set the callback url?

try using "passport" for authentication in node.js...

you can set the call back url as follows.....

passport.use(new FacebookStrategy(
{
            clientID: FACEBOOK_APP_ID,
            clientSecret: FACEBOOK_APP_SECRET,
            callbackURL: "your url"
}