The custom reporting functionality in SpiraTest, SpiraPlan and SpiraTeam v4.1 (or later) includes the ability to write complex reports, joining various tables, using SQL aggregation (COUNT, SUM, etc.) functions and other advanced reporting features. A common needs is to display a list of artifacts (requirements, test cases, etc.) and join against the custom property definitions so that you get the custom fields displayed with the names of the value not just the IDs. This articles explains how to do this.
In SpiraTest, when you create a new custom property in the incidents section, they are disabled by default. Unlike other parts of the system, the incident tracker has a customizable workflow. This article describes the steps necessary to enable the new custom properties in the workflow (which will make the custom property enabled).