Global Variable

NSValidationPredicateErrorKey

The error key for the predicate that failed to validate.

Declaration

let NSValidationPredicateErrorKey: String

See Also

Managing Data Validation

func validateForDelete()

Determines whether the managed object can be deleted in its current state.

func validateForInsert()

Determines whether the managed object can be inserted in its current state.

func validateForUpdate()

Determines whether the managed object's current state is valid.

Validation Error Codes

Error codes related to validation of managed object properties.

let NSValidationKeyErrorKey: String

The error key for the attribute that failed to validate.

let NSValidationObjectErrorKey: String

The error key for the object that failed to validate.

let NSValidationValueErrorKey: String

The error key for the value that failed to validate.