The string 4839005059204218ae8e0c51956c63d6.rar appears to be a filename referencing a specification within the OAuth framework. The "proper feature" you are likely looking to draft relates to draft-ietf-oauth-rar , which allows for fine-grained, parameterizable authorization requests beyond simple scopes. Feature Specification: Rich Authorization Requests (RAR)
: Create a registry of authorization detail types your system supports. 4839005059204218ae8e0c51956c63d6.rar
To draft this feature properly, your implementation should follow these steps outlined in the IETF OAuth RAR Implementation Considerations: The string 4839005059204218ae8e0c51956c63d6
: Ensure that authorization_details are treated with the same (or higher) level of validation as standard scopes. which allows for fine-grained
: Publish these types in your OAuth server metadata so clients know what they can request.