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# documentAttributes

A dictionary of document metadata.

```
var documentAttributes: [AnyHashable : Any]? { get set }
```

## Return Value

The dictionary of document metadata. The dictionary may be empty, or only some of the keys may have associated values.

## Discussion

Metadata is optional for PDF documents.

## See Also

[`PDFDocumentAttribute`](/documentation/PDFKit/PDFDocumentAttribute)

A structure that specifies document attributes.


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