ID Add-on
The ID add-on creates a unique and consecutive number for the index data field. The number is entered in the field when the user clicks the Add-on button. It corresponds to the object ID.
Select Add-on in the Catalog line of the properties window to create the Add-on tab.
In the file selection dialog, select axaddidx.dll from the \client32 OS directory.
The ID add-on can only be used once within a given form.
No further configuration is required.