API Contract Test Generator - JWT based authentication

I have to generate automated contract tests by postman’s Contract Test Generator in order to test our productive API against the imported OpenAPI spec 3 scheme. The endpoints which I want to test are protected (JWT based, clientid, client secrect).

https://www.postman.com/postman/workspace/contract-test-generator/overview

How can I integrate the authentication flow into those genereated tests?

Thanks in advance
Remo