CFErrorMBS.kCFErrorDescriptionKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the keys in the userInfo dictionary.

Key to identify the description in the userInfo dictionary.
When you create a CFError, you can provide a value for this key if you do not have localizable error strings. The description should be a complete sentence if possible, and should not contain the domain name or error

CFErrorMBS.kCFErrorDomainCocoa as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants defining domains for CFError objects.

A constant that specified the Cocoa domain.

CFErrorMBS.kCFErrorDomainMach as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants defining domains for CFError objects.

A constant that specified the Mach domain.

CFErrorMBS.kCFErrorDomainOSStatus as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants defining domains for CFError objects.

A constant that specified the OS domain.

CFErrorMBS.kCFErrorDomainPOSIX as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the constants defining domains for CFError objects.

A constant that specified the POSIX domain.

CFErrorMBS.kCFErrorLocalizedDescriptionKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the keys in the userInfo dictionary.

Key to identify the end user-presentable description in the userInfo dictionary.

CFErrorMBS.kCFErrorLocalizedFailureReasonKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the keys in the userInfo dictionary.

Key to identify the end user-presentable failure reason in the userInfo dictionary.

CFErrorMBS.kCFErrorLocalizedRecoverySuggestionKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the keys in the userInfo dictionary.

Key to identify the end user-presentable recovery suggestion in the userInfo dictionary.

CFErrorMBS.kCFErrorUnderlyingErrorKey as string

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
shared method	CoreFoundation	MBS MacCF Plugin	10.5	✅ Yes	❌ No	❌ No	✅ Yes	All

One of the keys in the userInfo dictionary.

Key to identify the underlying error in the userInfo dictionary.