CFURLMBS.kCFURLTagNamesKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

The array of Tag names (Read-write, value type CFArrayMBS of CFStringMBS)
for macOS 10.9 or later.

CFURLMBS.kCFURLTotalFileAllocatedSizeKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Total allocated size of the file in bytes (this may include space used by metadata), or nil if not available. This can be less than the value returned by kCFURLTotalFileSizeKey if the resource is compressed. (Read-only, value type CFNumberMBS)

CFURLMBS.kCFURLTotalFileSizeKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Total displayable size of the file in bytes (this may include space used by metadata), or NULL if not available. (Read-only, value type CFNumberMBS)

CFURLMBS.kCFURLTypeIdentifierKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Uniform type identifier (UTI) for the resource (Read-only, value type CFStringMBS)

CFURLMBS.kCFURLUbiquitousItemDownloadingErrorKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

returns the error when downloading the item from iCloud failed. See the NSUbiquitousFile section in FoundationErrors.h. (Read-only, value type CFErrorMBS)
for macOS 10.9 or later.

CFURLMBS.kCFURLUbiquitousItemDownloadingStatusCurrent as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the download status values.

there is a local version of this item and it is the most up-to-date version known to this device.
for macOS 10.9 or later.

CFURLMBS.kCFURLUbiquitousItemDownloadingStatusDownloaded as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the download status values.

there is a local version of this item available. The most current version will get downloaded as soon as possible.
for macOS 10.9 or later.

CFURLMBS.kCFURLUbiquitousItemDownloadingStatusKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Returns the download status of this item. (Read-only, value type CFStringMBS).
for macOS 10.9 or later.

CFURLMBS.kCFURLUbiquitousItemDownloadingStatusNotDownloaded as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the download status values.

this item has not been downloaded yet. Use NSFileManager's startDownloadingUbiquitousItemAtURL:error: to download it.
for macOS 10.9 or later.

CFURLMBS.kCFURLUbiquitousItemHasUnresolvedConflictsKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if this item has conflicts outstanding. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLUbiquitousItemIsDownloadedKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Equivalent to NSURLUbiquitousItemDownloadingStatusKey = NSURLUbiquitousItemDownloadingStatusCurrent. Has never behaved as documented in earlier releases, hence deprecated. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLUbiquitousItemIsDownloadingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if data is being downloaded for this item. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLUbiquitousItemIsExcludedFromSyncKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	21.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Value is a boolean.
The item is excluded from sync, which means it is locally on disk but won't be available on the server. An excluded item is no longer ubiquitous.

CFURLMBS.kCFURLUbiquitousItemIsUploadedKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if there is data present in the cloud for this item. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLUbiquitousItemIsUploadingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if data is being uploaded for this item. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLUbiquitousItemPercentDownloadedKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Percent downloaded.
Use NSMetadataQuery and NSMetadataUbiquitousItemPercentDownloadedKey on NSMetadataItem instead.

CFURLMBS.kCFURLUbiquitousItemPercentUploadedKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Percent uploaded.
Use NSMetadataQuery and NSMetadataUbiquitousItemPercentUploadedKey on NSMetadataItem instead

CFURLMBS.kCFURLUbiquitousItemUploadingErrorKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

returns the error when uploading the item to iCloud failed. See the NSUbiquitousFile section in FoundationErrors.h. (Read-only, value type CFErrorMBS)
for macOS 10.9 or later.

CFURLMBS.kCFURLVolumeAvailableCapacityKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Total free space in bytes (Read-only, value type CFNumberMBS)

CFURLMBS.kCFURLVolumeCreationDateKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

The volume's creation date, or nil if this cannot be determined. (Read-only, value type CFDateMBS)

CFURLMBS.kCFURLVolumeIdentifierKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

An identifier that can be used to identify the volume the file system object is on. Other objects on the same volume will have the same volume identifier and can be compared using for equality using CFObjectMBS.Equal. This identifier is not persistent across system restarts. (Read-only, value type CFObjectMBS)

CFURLMBS.kCFURLVolumeIsAutomountedKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume is automounted. Note: do not mistake this with the functionality provided by kCFURLVolumeSupportsBrowsingKey. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsBrowsableKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume should be visible via the GUI (i.e., appear on the Desktop as a separate volume). (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsEjectableKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume's media is ejectable from the drive mechanism under software control. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsEncryptedKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume is encrypted. (Read-only, value type CFBooleanMBS)
for macOS 10.12 or later.

CFURLMBS.kCFURLVolumeIsInternalKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume's device is connected to an internal bus, false if connected to an external bus, or nil if not available. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsJournalingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume is currently using a journal for speedy recovery after an unplanned restart. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsLocalKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume is stored on a local device. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsReadOnlyKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume is read-only. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsRemovableKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume's media is removable from the drive mechanism. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeIsRootFileSystemKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume is the root filesystem. (Read-only, value type CFBooleanMBS)
for macOS 10.12 or later.

CFURLMBS.kCFURLVolumeLocalizedFormatDescriptionKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

The user-visible volume format (Read-only, value type CFStringMBS)

CFURLMBS.kCFURLVolumeLocalizedNameKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

The user-presentable name of the volume (Read-only, value type CFStringMBS)

CFURLMBS.kCFURLVolumeMaximumFileSizeKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

The largest file size (in bytes) supported by this file system, or nil if this cannot be determined. (Read-only, value type CFNumberMBS)

CFURLMBS.kCFURLVolumeNameKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

The name of the volume (Read-write, settable if kCFURLVolumeSupportsRenamingKey is true and permissions allow, value type CFStringMBS)

CFURLMBS.kCFURLVolumeResourceCountKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

Total number of resources on the volume (Read-only, value type CFNumberMBS)

CFURLMBS.kCFURLVolumeSupportsAdvisoryFileLockingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume implements whole-file flock(2) style advisory locks, and the O_EXLOCK and O_SHLOCK flags of the open(2) call. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsCasePreservedNamesKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume format preserves the case of file and directory names. Otherwise the volume may change the case of some characters (typically making them all upper or all lower case). (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsCaseSensitiveNamesKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume format treats upper and lower case characters in file and directory names as different. Otherwise an upper case character is equivalent to a lower case character, and you can't have two names that differ solely in the case of the characters. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsCompressionKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume supports transparent decompression of compressed files using decmpfs. (Read-only, value type CFBooleanMBS)
for macOS 10.12.

CFURLMBS.kCFURLVolumeSupportsExclusiveRenamingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume supports renamex_np(2)'s RENAME_EXCL option (Read-only, value type CFBooleanMBS)
for macOS 10.12 or later.

CFURLMBS.kCFURLVolumeSupportsExtendedSecurityKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume implements extended security (ACLs). (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsFileCloningKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume supports clonefile(2) (Read-only, value type CFBooleanMBS)
for macOS 10.12 or later.

CFURLMBS.kCFURLVolumeSupportsHardLinksKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume format supports hard links (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsJournalingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume format supports a journal used to speed recovery in case of unplanned restart (such as a power outage or crash). This does not necessarily mean the volume is actively using a journal. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsPersistentIDsKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume format supports persistent object identifiers and can look up file system objects by their IDs (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsRenamingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume can be renamed. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsRootDirectoryDatesKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume supports reliable storage of times for the root directory. (Read-only, value type CFBooleanMBS)
for macOS 10.7 or later.

CFURLMBS.kCFURLVolumeSupportsSparseFilesKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume format supports sparse files, that is, files which can have 'holes' that have never been written to, and thus do not consume space on disk. A sparse file may have an allocated size on disk that is less than its logical length. (Read-only, value type CFBooleanMBS)

CFURLMBS.kCFURLVolumeSupportsSwapRenamingKey as CFStringMBS

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	17.1	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the resource keys.

true if the volume supports renamex_np(2)'s RENAME_SWAP option (Read-only, value type CFBooleanMBS)
for macOS 10.12 or later.