The Hidden Variable dialog box enables you to insert a hidden variable into your Form or modify the existing one.
These variables are the ones of a special type of form fields used by script to process a form. As the name implies, the Hidden Variables fields are not visible to the Web viewer and cannot be changed by the Web viewer.
To add a hidden variable enter the Name and Value in the corresponding fields.
Press OK to add the specified hidden variable.
The Advanced... button enables you to perform advanced operations with HTML coding and scripting in the Advanced Web operations dialog box.