The Officials feature is great for managing your officials within the same platform that you create your schedule and plan events. Once you've contacted a TeamLinkt rep (firstname.lastname@example.org) to activate the officials module for you can walk through these help articles to get started.
First you'll need your officials to register. Setup Official Registration
Have your officials set their availability or set it for them. Edit Official Availability
Setup roles for your officials. Roles for Officials
Accept / Offer assignments to officials. Assigning Officials