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  "title" : "Pasteboard detection metadata types"
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# Pasteboard detection metadata types

Common types of metadata that the data detection system matches for a pasteboard.

## Topics

### Accessing metadata

[`var metadataTypes: Set<PartialKeyPath<NSPasteboard.DetectedMetadata>>`](/documentation/AppKit/NSPasteboard/DetectedMetadata/metadataTypes)

A set of key paths that represent metadata types that the data detection system identifies.

[`var contentType: UTType?`](/documentation/AppKit/NSPasteboard/DetectedMetadata/contentType)

The content type of a file that the data detection system identifies when the pasteboard contains a file URL.

[`typedef NSString * NSPasteboardMetadataType;`](/documentation/AppKit/NSPasteboardMetadataType)

A metadata type to detect on the pasteboard.

[`extern NSPasteboardMetadataType const NSPasteboardMetadataTypeContentType;`](/documentation/AppKit/NSPasteboardMetadataTypeContentType)

A metadata type that returns the content type if the pasteboard detects a reference to a file.


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