Configure categories Service catalog enables you to configure categories. Service catalog properties available to configure: Appearance: how categories are displayed to users. For example, display subcategories in a panel or as a list in the category view. Homepage content types and search and navigation elements. For example, enable or disable service catalog searching for all users. Catalog item behavior: how items, item class names and item categories appear to users. For example, define the number of catalog items or categories to preview in a section.