InteractiveModalTransitioningDelegateWithPresentationController.swift

final class InteractiveModalTransitioningDelegate: NSObject, UIViewControllerTransitioningDelegate {
    
    /* 
     .......
    */
    
    // MARK: - UIViewControllerTransitioningDelegate
    func presentationController(forPresented presented: UIViewController, presenting: UIViewController?, source: UIViewController) -> UIPresentationController? {
        return InteractiveModalPresentationController(presentedViewController: presented, presenting: presenting)
    }
    
}