Navigate to the folder or workspace where the custom folder entry was created.
Click the Configure icon next to the folder or workspace title, then click Form/View Designers, depending on whether the custom folder entry was created at the folder or workspace level.
The Form and View Designers page is displayed.
Expand Entry Definitions, then click the custom entry that you want to modify.
Continue with Section 9.3.2, Adding Elements to the Entry Form Definition.