How to debug authentication process

I want to find out what kind of data requires on Authentication to pass them outside and make SSO.
For this purpose, I want to debug Spring Boot Application with Camunda.
I ran it in Debug MODE and marked breakpoints on:

But Unfortunately, the app didn’t stop.

Maybe someone knows what requires Camunda for Authentication?

Authentication to what? The REST API? Authentication isn’t turned on by default in the standard distributions. You have to turn it on. Here’s a link to some information:

Basically, you need to crack open the war file using unzip, modify a configuration file, put the war file back together using zip. There’s also code to do LDAP based authentication that is commented out in the WildFly configuration, so I would hope a similar section is available within the SpringBoot configuration. Personally, I have never used the SpringBoot instance.