Swift-2nd screen add a View

I need to use external screen on iPad for an own View (not UIView). NotificationCenter registration for an UIScreen.didConnectNotification event work. In UIScreen.screens[1] there is the second screen. But how can I add a SwiftUI View (not an UIView).
All samples I found show only how to add the old UIView.

After 4 months with no feedback, I opened a Technical Support Incident. Apple Developer Technical Support answered "there is no supported way to achieve the desired functionality given the currently shipping system configurations." Apple promotes Swift as the best & future oriented programming system, but if such basic features as using a second screen is not possible, I have strong doubts.

Swift-2nd screen add a View
 
 
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