iosscreenios13voice-recordingreplaykit

Exclude UI elements from ReplayKit screen capturing

While capturing the screen with Replaykit, how do i exclude ui elements from the recording?
I now in general i need to add them into a seprate window , but my previus attemnts where not successful. how do i create another window for the ui elements the posy ios 13 way ?

Solution 
  •  if #available(iOS 13.0, *) {
        BottomUIWindow.windowScene = view.window?.windowScene
    }