Using option "16=Fields" with an Entry on the "Work with Entries" panel displays the list of all Fields of the Entry on the "Work with Entry fields" panel. If the Entry was generated this list was automatically created in the generation process. If the Entry is created manually this list is initially empty. The Fields of an Entry is the information that is returned to the ITP Model when the Entry is used. The ITP Model uses the names defined here to individually address the information.
There are two versions of the "Work with Entry fields" panel: the "normal" one that will be displayed when an Entry is already created and a special one that is displayed as a part of the Entry generation process.
On the special "Work with Entry fields" only the name of a Field can be changed and only option "7=Convert to valid ITP name" is available. On the normal "Work with Entry fields" panel the Fields of the Entry can be manipulated: