Initializes a managed object subclass and inserts it into the specified managed object context.
- iOS 10.0+
- macOS 10.12+
- UIKit for Mac 13.0+Beta
- tvOS 10.0+
- watchOS 3.0+
- Core Data
An initialized instance of the appropriate subclass.
This method is only legal to call on subclasses of
NSManaged that represent a single entity in the model.