destinationController
The ending/contained view controller or window controller for the storyboard segue.
Declaration
var destinationController: Any { get }Discussion
In your storyboard segue subclass, you can read this property to get the ending/contained view controller or window controller for the segue. This property is essential if you override the prepare(for:sender:) method of the NSSeguePerforming protocol, to let you pass configuration data to the ending/contained controller.