Passing Date from UIkit to SwiftUI for Widgetkit

Hello,
i finished my first app with UIkit and want to add a widget to it because of ios 14. I know that widgets only work with SwiftUI.
So my question is how can I pass a variable from UIkit to SwiftUI so that it can be displayed?
Any suggestions?
Passing Date from UIkit to SwiftUI for Widgetkit
 
 
Q