SwiftUI How to let users pick options from a menu

SwiftUI How to let users pick options from a menu

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// //  ContentView.swift //  Testapp // //  Created by Cairocoders //   import SwiftUI   struct SecondView: View {     var body: some View{         Text("This is a second view details")     } } struct ContentView: View {     var body: some View {         NavigationView{             VStack {                 NavigationLink(destination: SecondView()) {                    Text("Show Details View")                 }                 .navigationTitle("Navigation")             }         }     } }   struct ContentView_Previews: PreviewProvider {     static var previews: some View {         ContentView()     } }