Instance Property

preservesValueInHistoryOnDeletion

A Boolean value that indicates whether the attribute records its value in the persistent history transaction for a managed object’s deletion.

Declaration

var preservesValueInHistoryOnDeletion: Bool { get set }

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software