How to trigger hover events in UI in RealityView 3D space

attachments: {
         Attachment(id: "UI_Book_01") {
             Button {
               print("Tap...")
                } label: {
                   Text("Tap me")
                     .padding()
                     .background(.ultraThinMaterial)
         }.hoverEffect { effect, isActive, _ in
                if isActive {
                  print("hover...") //Unable to trigger
               }
           return effect
            }
        }
}