SECTION 8.2
591
Document-Level Navigation
TABLE 8.8 Entries in a collection field dictionary
KEY
TYPE
VALUE
Type
name
name
(Optional) The type of PDF object that this dictionary describes; if present,
must be
CollectionField
for a collection field dictionary.
(Required) The subtype of collection field or file-related field that this dic-
tionary describes. This entry identifies the type of data that is stored in the
field.
The following values identify the types of fields in the collection item or
collection subitem dictionary:
S
D
N
Subtype
A text field. The field data is stored as a PDF text string.
A date field. The field data is stored as a PDF date string.
A number field. The field data is stored as a PDF number.
The following values identify the types of file-related fields:
F
The field data is the file name of the embedded file stream, as iden-
tified by the
UF
entry of the file specification, if present; otherwise
by the
F
entry of the file specification (see Table 3.41).
Desc
The field data is the description of the embedded file stream, as
identified by the
Desc
entry in the file specification dictionary (see
ModDate
The field data is the modification date of the embedded file
stream, as identified by the
ModDate
entry in the embedded file
parameter dictionary (see Table 3.43).
CreationDate
The field data is the creation date of the embedded file
stream, as identified by the
CreationDate
entry in the embedded
file parameter dictionary (see Table 3.43).
Size
The field data is the size of the embedded file, as identified by the
Size
entry in the embedded file parameter dictionary (see Table
N
text string
integer
(Required) The textual field name that is displayed to the user by the PDF
viewer application.
(Optional) The relative order of the field name in the user interface. Fields
are sorted by the PDF viewer application in ascending order.
O