# DocumentRef

An object containing an AncillaryOuputOption object.

Parameter | Type | Description
--- | --- | ---
Copy | string | Number of copies of this document. Overrides value in PackageDoc.
DocFormat | string | Format override for this document. All instances that match the document ID and fall into this packet will have their format from the PackageDoc overridden by this value.
DocumentID | string | ID of the document being referenced. This value should match the DocID element in the PackageDoc.
AncillaryOutputOption | AncillaryOutputOption | Container object used to define output options. The object is used to define document post-processing instructions included in the request.