Designing Services Service creator includes an interface for designing services. Using this interface, service category managers and editors can create and publish services, and edit service details. All services must belong to a service category. If your department or group does not have an existing service category, you must create a new service category before you can design services for that category. Service design interfaceThe service creator includes a service design interface that service category managers and editors use to create and edit services. When the service is complete, you can publish it to create a catalog item that end users can request.Question and settings navigatorThe left side of the service design interface provides several tabs allowing you to add questions, set question properties, and configure fulfillment and mobile settings for the service.