There are two configuration files for A1 Policy Management Service, config/application_configuration.json and config/application.yaml
The first (config/application_configuration.json) contains configuration needed by the application, such as which near-RT-RICs, controller, or DMaaP topic to use.
The second (config/application.yaml) contains logging and security configurations.

Static configuration - Settings that cannot be changed at runtime (application.yaml)

...