Table 163 – Entries in a navigation node dictionary

Key

Type

Value

Type

name

(Optional) The type of PDF object that this dictionary describes; shall be NavNode for a navigation node dictionary.

NA

dictionary

(Optional) An action (which may be the first in a sequence of actions) that shall be executed when a user navigates forward.

PA

dictionary

(Optional) An action (which may be the first in a sequence of actions) that shall be executed when a user navigates backward.

Next

dictionary

(Optional) The next navigation node, if any.

Prev

dictionary

(Optional) The previous navigation node, if any.

Dur

number

(Optional) The maximum number of seconds before the conforming readershall automatically advance forward to the next navigation node. If this entry is not specified, no automatic advance shall occur.