SwiftUI list view selection & navigation

content.swift

import SwiftUI

struct Task: Codable, Identifiable, Hashable {

    var id: Int
    var name: String

}

struct ContentView: View {
    @State private var tasks: [Task] = [
        Task(id: 0, name: "Fix #1"),
        Task(id: 1, name: "Fix #2"),
        Task(id: 2, name: "Fix #3"),
        Task(id: 3, name: "Fix #4"),
        Task(id: 4, name: "Fix #5")
    ]
    @State private var selection: Task?
    @State var action: Int?

    var body: some View {
        NavigationView {
            List(selection: $selection) {
                ForEach(tasks, id: \.self) { task in
                    NavigationLink(destination: VStack {
                        Text(task.name)

                        Button("Random Select") {
                            self.selection = self.tasks.randomElement()
                        }
                    }
                    .frame(maxWidth: .infinity, maxHeight: .infinity), tag: task.id, selection: self.$action) {
                        VStack {
                            Text(task.name)
                        }
                    }
                }
            }
            VStack {
                Text("Please select one task")
                Button("Random Select") {
                    self.selection = self.tasks.randomElement()
                    self.action = self.selection?.id
                }
            }
            .frame(maxWidth: .infinity, maxHeight: .infinity)
        }
    }
}