This article is the third in a series on customizing the CF Studio IDE. If you haven't read the first two about VTML, see 'VTML by Example, Parts 1 and 2' (CFDJ, Vol. 3, issues 6 and 7) for an introduction to the CF Studio extensions, and learn how to use the Visual Tools Markup Language (VTML) to develop the user interfaces for CF Studio extensions. This article demonstrates how to design CF Studio Wizards using the Wizard Markup Language (WIZML).