| Tag Name | Writable | Values / Notes | 
|---|
| AppleMailDateReceived | no |  | 
| AppleMailDateSent | no |  | 
| AppleMailFlagged | no |  | 
| AppleMailIsRemoteAttachment | no |  | 
| AppleMailMessageID | no |  | 
| AppleMailPriority | no |  | 
| AppleMailRead | no |  | 
| AppleMailRepliedTo | no |  | 
| MDItemAccountHandles | no |  | 
| MDItemAccountIdentifier | no |  | 
| MDItemAcquisitionMake | no |  | 
| MDItemAcquisitionModel | no |  | 
| MDItemAltitude | no |  | 
| MDItemAperture | no |  | 
| MDItemAudioBitRate | no |  | 
| MDItemAudioChannelCount | no |  | 
| MDItemAuthorEmailAddresses | no |  | 
| MDItemAuthors | no |  | 
| MDItemBitsPerSample | no |  | 
| MDItemBundleIdentifier | no |  | 
| MDItemCity | no |  | 
| MDItemCodecs | no |  | 
| MDItemColorSpace | no |  | 
| MDItemComment | no |  | 
| MDItemContentCreationDate | no |  | 
| MDItemContentCreationDateRanking | no |  | 
| MDItemContentCreationDate_Ranking | no |  | 
| MDItemContentModificationDate | no |  | 
| MDItemContentType | no |  | 
| MDItemContentTypeTree | no |  | 
| MDItemContributors | no |  | 
| MDItemCopyright | no |  | 
| MDItemCountry | no |  | 
| MDItemCreator | no |  | 
| MDItemDateAdded | no |  | 
| MDItemDateAdded_Ranking | no |  | 
| MDItemDescription | no |  | 
| MDItemDisplayName | no |  | 
| MDItemDownloadedDate | no |  | 
| MDItemDurationSeconds | no |  | 
| MDItemEXIFGPSVersion | no |  | 
| MDItemEXIFVersion | no |  | 
| MDItemEmailConversationID | no |  | 
| MDItemEncodingApplications | no |  | 
| MDItemExposureMode | no |  | 
| MDItemExposureProgram | no |  | 
| MDItemExposureTimeSeconds | no |  | 
| MDItemFNumber | no |  | 
| MDItemFSContentChangeDate | no |  | 
| MDItemFSCreationDate | yes! | (file creation date.  Requires "setfile" for writing.  Note that when
reading, it may take a few seconds after writing a file before this value
reflects the change.  However, FileCreateDate is updated immediately) | 
| MDItemFSCreatorCode | no |  | 
| MDItemFSFinderFlags | no |  | 
| MDItemFSHasCustomIcon | no |  | 
| MDItemFSInvisible | no |  | 
| MDItemFSIsExtensionHidden | no |  | 
| MDItemFSIsStationery | no |  | 
| MDItemFSLabel | yes! | 
  | 0 = 0 (none) 1 = 1 (Gray)
 2 = 2 (Green)
 3 = 3 (Purple)
 |  | 4 = 4 (Blue) 5 = 5 (Yellow)
 6 = 6 (Red)
 7 = 7 (Orange)
 | 
 | 
| MDItemFSName | no |  | 
| MDItemFSNodeCount | no |  | 
| MDItemFSOwnerGroupID | no |  | 
| MDItemFSOwnerUserID | no |  | 
| MDItemFSSize | no |  | 
| MDItemFSTypeCode | no |  | 
| MDItemFinderComment | yes! |  | 
| MDItemFlashOnOff | no |  | 
| MDItemFocalLength | no |  | 
| MDItemGPSDateStamp | no |  | 
| MDItemGPSStatus | no |  | 
| MDItemGPSTrack | no |  | 
| MDItemHasAlphaChannel | no |  | 
| MDItemISOSpeed | no |  | 
| MDItemIdentifier | no |  | 
| MDItemImageDirection | no |  | 
| MDItemInterestingDateRanking | no |  | 
| MDItemInterestingDate_Ranking | no |  | 
| MDItemIsApplicationManaged | no |  | 
| MDItemIsExistingThread | no |  | 
| MDItemIsLikelyJunk | no |  | 
| MDItemKeywords | no |  | 
| MDItemKind | no |  | 
| MDItemLastUsedDate | no |  | 
| MDItemLastUsedDate_Ranking | no |  | 
| MDItemLatitude | no |  | 
| MDItemLensModel | no |  | 
| MDItemLogicalSize | no |  | 
| MDItemLongitude | no |  | 
| MDItemMailDateReceived_Ranking | no |  | 
| MDItemMailboxes | no |  | 
| MDItemMediaTypes | no |  | 
| MDItemNumberOfPages | no |  | 
| MDItemOrientation | no |  | 
| MDItemOriginApplicationIdentifier | no |  | 
| MDItemOriginMessageID | no |  | 
| MDItemOriginSenderDisplayName | no |  | 
| MDItemOriginSenderHandle | no |  | 
| MDItemOriginSubject | no |  | 
| MDItemPageHeight | no |  | 
| MDItemPageWidth | no |  | 
| MDItemPhysicalSize | no |  | 
| MDItemPixelCount | no |  | 
| MDItemPixelHeight | no |  | 
| MDItemPixelWidth | no |  | 
| MDItemPrimaryRecipientEmailAddresses | no |  | 
| MDItemProfileName | no |  | 
| MDItemRecipients | no |  | 
| MDItemRedEyeOnOff | no |  | 
| MDItemResolutionHeightDPI | no |  | 
| MDItemResolutionWidthDPI | no |  | 
| MDItemSecurityMethod | no |  | 
| MDItemSpeed | no |  | 
| MDItemStateOrProvince | no |  | 
| MDItemStreamable | no |  | 
| MDItemSubject | no |  | 
| MDItemTimestamp | no |  | 
| MDItemTitle | no |  | 
| MDItemTotalBitRate | no |  | 
| MDItemUseCount | no |  | 
| MDItemUsedDates | no |  | 
| MDItemUserDownloadedDate | no |  | 
| MDItemUserDownloadedUserHandle | no |  | 
| MDItemUserSharedReceivedDate | no |  | 
| MDItemUserSharedReceivedRecipient | no |  | 
| MDItemUserSharedReceivedRecipientHandle | no |  | 
| MDItemUserSharedReceivedSender | no |  | 
| MDItemUserSharedReceivedSenderHandle | no |  | 
| MDItemUserSharedReceivedTransport | no |  | 
| MDItemUserTags | yes!+ | (requires "tag" utility for writing -- install with "brew install tag".  Note
that user tags may not contain a comma, and that duplicate user tags will
not be written) | 
| MDItemVersion | no |  | 
| MDItemVideoBitRate | no |  | 
| MDItemWhereFroms | no |  | 
| MDItemWhiteBalance | no |  |