bellow is my node js script to get google user details using accessToken

```
 var accessToken = req.body.accessToken;
            console.log(accessToken)

            var google = require('googleapis');
            //google api
            var plus = google.plus('v1');
            var OAuth2 = google.auth.OAuth2;

            var oauth2Client = new OAuth2(
                config.google.clientID,
                config.google.clientSecret,
                config.google.redirect_uri
            );
            oauth2Client.setCredentials({access_token: accessToken});
            plus.people.get({
                userId: 'me',
                auth: oauth2Client
            }, function (err, response) {
                // handle err and response
                if (err) {
                    reject(err)
                } else {
                    console.log(response);
                    resolve(response)
                }
            });

```

need to get google login user details using accessToken. what is wrong in code?