If non-nil, the key for the value for the key that failed to validate for a validation error.
Available in Mac OS X v10.4 and later.


- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)
![]() | Monobjc Documented Class Library NSValidationValueErrorKey Field Namespaces ► Monobjc.CoreData ► CoreDataFramework ► NSValidationValueErrorKey |
If non-nil, the key for the value for the key that failed to validate for a validation error.
Available in Mac OS X v10.4 and later.