Hey @kokos !

I haven’t tested it, but the documentation for “Add tabs for a recipient on Envelope” found here says you should be able to. The “Tabs locked” option is set to yes which makes the field read only by default. If you switch it to “No”, it should allow the assigned recipient to update the field.

I believe the only other caveat is that you will want to set your Custom Document Field to the “Text” type. This way, users will be able to type whatever response they would like.

Let me know if this works for you!