Table 233 – Entries in a signature field lock dictionary

Key

Type

Value

Type

name

(Optional) The type of PDF object that this dictionary describes; if present, shall be SigFieldLock for a signature field lock dictionary.

Action

name

(Required) A name which, in conjunction with Fields, indicates the set of fields that should be locked. The value shall be one of the following:

All All fields in the document

Include All fields specified in Fields

Exclude All fields except those specified in Fields

Fields

array

(Required if the value of Action is Include or Exclude) An array of text strings containing field names.