using alerts in swift

AlertExampleView.swift

struct AlertExampleView: View {
    @State var showAlert: Bool = false
    var body: some View {
        VStack {
            Text("This is an example").font(.headline)
            Button(action: {
                self.showAlert = true
            }) {
                Text("show alert sheet")
            }
            .alert(isPresented: $showAlert, content: {
                Alert(title: Text("alert"),
                      message: Text("details of alert"),
                      dismissButton: Alert.Button.destructive(Text("destructive"),
                      action: { print("pressed destruction in alert") }
                    )
                )
            })
        }
    }
}