PDFPageRef

This element is the container for PDF page references.

Element Name	PDFPageRef
	DocumentRef
Element XPath(s)	/ODM/Study/MetaDataVersion/ItemGroupDef/ItemRef/Origin/DocumentRef/PDFPageRef /ODM/Study/MetaDataVersion/MethodDef/DocumentRef/PDFPageRef /ODM/Study/MetaDataVersion/CommentDef/DocumentRef/PDFPageRef
Element Textual Value	None
Attributes	Type, PageRefs, FirstPage, LastPage, Title
Child Elements	None
Usage/Business Rules	Business Rules(s): Required for Origin/@Type="Collected" and Origin/@Source in ("Investigator","Subject") Optional in all other cases Other Information: When the Origin type is Collected, there is an assumption that an annotated image of the entry page is available.

Attribute	Schema Datatype or Enumeration	Usage	Definition	Business Rule(s)
Type	(PhysicalRef \| NamedDestination)	Required	Type of page for page reference(s) indicated in the PageRefs attribute	When Type="NamedDestination", NamedDestinations have to be created within the PDF document to be able to link to them via a hyperlink.
PageRefs	text	Optional	List of PDF pages, separated by spaces. Sample: "17 20 32"
FirstPage	positiveInteger	Conditional Required if PageRefs is not provided.	First page in a range of pages. Note that the way to indicate the range of pages depends on the associated Type attribute provided.
LastPage	positiveInteger	Conditional Required if PageRefs is not provided.	Last page in a range of pages. Note that the way to indicate the range of pages depends on the associated Type attribute provided.
Title	text	Optional	Alternative label to provide a more specific and descriptive reference to a page link.

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