This page explains the discovery process on a basic level, why and when to use it, and finally, how to go about it. Discovery is used to gather information from another party in your case.Learn how and when to use it. You should be able to make a discovery request with the court. They may have forms that you can fill out. How to organize the discovery you receive in an Illinois divorce. How to know when enough discovery is enough? Discovery objections cheat sheet for common interrogatories and other discovery objections. How to object to improper discovery requests. The discovery process begins with an indepth interview.