A Boolean value that indicates whether the view controller specifies the transition style for view controllers it presents.
- iOS 5.0+
- tvOS 9.0+
When a view controller’s
defines property is
true, it can replace the transition style of the presented view controller with its own. When the value of this property to
true, the current view controller’s transition style is used instead of the style associated with the presented view controller. When the value of this property is
false, UIKit uses the transition style of the presented view controller. The default value of this property is