Problem using last inserted record for page redirect

Using a Stripe Checkout Form, I would like the success URL to be similar to /succes/23, where 23 is the last inserted record. I am using NodeJS as the server model.

What I have done

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1. set a value to affected
2. selected the Stripe form
3. selected the routes icon
4. selected the route
5. bound the data to the server set value

The resultant URL is

Please help me, or rather, tell me where my logic deserts me.