Optionalview/View — the initial navigator. Defaults to "details".
Optionalschema/Schema — the columns, in declaration order. May be empty/omitted.
Optionalsort/Sort — the column to sort on and direction. Omit/null to leave unset.
Optionaldefault/D — the embedded-file name initially selected. Omit/null to leave unset.
OptionalitemsPer-file /CI metadata populating the schema columns.
Configuration for a PDF portfolio / embedded-file collection — what GigaPdfDoc.setCollection writes into the catalog
/Collection(ISO 32000-1 §7.11.6, §12.3.5). Marks the document as a portfolio and configures its presentation.