Document Revision History

This table describes the changes to File Metadata Attributes Reference.

DateNotes
2014-07-15

Added an important note that metadata is designed to store small amounts of information only.

2011-09-28

Added iCloud metdata attributes.

2009-08-28

Added new attributes: kMDItemAuthorAddresses, kMDItemRecipientAddresses, and kMDItemParticipants.

2009-07-18

Updated for OS X v10.6. Added kMDItemNamedLocation and kMDItemPixelCount.

2007-05-22

Updated description of kMDItemPath.

2006-04-04

Corrected minor typos.

2005-09-08

Updated kMDItemFSExists, kMDItemFSIsReadable, and kMDItemFSIsWriteable availability to indicate that those attributes are deprecated and were never implemented.

2005-08-11

Added new Spotlight attribute kMDItemContentTypeTree. Enhanced descriptions of other attributes.

2005-06-04

Corrected kMDItemSecurityMethod attribute value type. Expanded attribute descriptions.

2005-04-29

Added kMDItemTextContent, kMDItemMusicalInstrumentCategory, kMDItemMusicalInstrumentName, and kMDItemAppleLoop* attributes. kMDItemFSSize now reports the actual file size.

 

New document that describes the usage and types of metadata attributes for various file types used with Spotlight.