JavaScript must be enabled in order to use this site. Please enable JavaScript in your browser and refresh the page. Options for Custom View Authoring There are three methods for adding custom views and each is covered in the following chapters. Each method and type of view has advantages and limitations that are discussed below. Covered Topics The View Definition Language The View Definition Language (VDL) is a markup language designed to allow views to be authored using an XML notation. The JavaScript API Xpress Insight provides an extensive JavaScript API for accessing and manipulating the state and data of the system. Tableau for FICO Reporting Tableau® for FICO is a powerful reporting tool that can create advanced tabular and charting dashboards. Parent Topic Authoring Custom Views