Endpoint Designer Configuration

Where can I get detailed docs about using the endpoint designer in the dashboard.

Specifically I am looking to set up multiple endpoints within a given api and I would like to know if I can add query string parameters to given endpoints so they get included when called publicly.

Ex: for service api.production.com

Endpoint x would have have the following parameters included with it.


Endpoint y would then have the following parameters with it:


All the endpoint designer features are documented here, you are probably looking at URL rewrites, which can be quite complex, they are documented here