Optional metadata to be passed into the PDF factory function.
public struct SKDocumentPdfMetadata
The name of the person who created the document.
The date and time the document was created.
The name of the product that created the original document, if the document was converted to PDF from another format.
Comma-separated keywords associated with the document.
The date and time the document was most recently modified.
The product that is converting this document to PDF.
The subject of the document.
The document's title.