Returns a textual description of a Core Foundation object.
- iOS 2.0+
- macOS 10.0+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
- Core Foundation
The CFType object (a generic reference of type
CFType) from which to derive a description.
A string that contains a description of
cf. Ownership follows the The Create Rule.
The nature of the description differs by object. For example, a description of a CFArray object would include descriptions of each of the elements in the collection.
You can use this function for debugging Core Foundation objects in your code. Note, however, that the description for a given object may be different in different releases of the operating system. Do not create dependencies in your code on the content or format of the information returned by this function.