[Express + Auth0] I want to redirect to another backend endpoint after the callback

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Hi @Isaacbfuents

Welcome to the Auth0 Community!

I believe that what you’re currently missing in order to achieve your desired flow would be the afterCallback hook, which is provided by the express-openid-connect library ( please see the following documentation ).

You should be able to define it within your existing code similarly to this:

const config = {
  authRequired: false,
  auth0Logout: true,
  secret: process.env.AUTH0_SECRET,
  baseURL: 'http://localhost:3000',
  clientID: process.env.AUTH0_CLIENT_ID,
  issuerBaseURL: process.env.AUTH0_DOMAIN,
  routes:
  auth({
    afterCallback: (req, res, session) => {
      const claims = jose.JWT.decode(session.id_token); // using jose library to decode JWT
      if (claims.org_id !== 'Required Organization') {
        throw new Error('User is not a part of the Required Organization');
      }
      return session;
    },
  })

}

app.use(auth(config));

Additional resources on the afterCallback hook :

Let us know if this helped solve your issue!

Best regards,
Gerald