Your user agent should verify the content of token payload. More info is available here
Prepare ID token with claims, specified in Authentication Request.
Send token to endpoint, specified in "client_id" field of Authentication Request payload.
Check outcome of the test:
As HTTP response in your user agent.
On the right side of this page in section "Test result".
About requested claims
By default, Authentication Request asks you for email, phone_number, did as essential claim and name,address as voluntary claim.
If you want to use different claims, use form below, where you can set your own Essential claims and Voluntary claims. Enter them as comma separated values, click on Change button and code should be updated.