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protecting a certrain dynamic field after signing with digital signature

Level 1
Level 1


I create a PDF document with the LCD  and I want to protect a certain dynamic field after signing with a digital signature, so that the person who would work with the same PDF document after me can not change my selection in a drop and down list.

My Problem is to protect a certain area and not the whole PDF document and the protection should start after the digital signature of a person.

Is there any XML Code or any other advices?

Thanks for your help.


1 Reply
Level 10
Level 10


when you add a signature field you'll find a sing tab in the object palette.

There you can add a new collection of form objects that should be locked after signing. 1275490_pastedImage_0.png