NavigationLink-tag.swift

@State var selection : Int? = nil
    
    var body: some View {
        NavigationView{
            
            VStack{
                
                NavigationLink(destination: Text("New Screen"), tag: 1, selection: self.$selection) {
                    Text("")
                }
                
                NavigationLink(destination: Text("New Screen 2"), tag: 2, selection: self.$selection) {
                    Text("")
                }
                
                Button("Button 1"){
                    self.selection = 1
                }
                
                Button("Button 2"){
                    self.selection = 2
                }
                
            }
        }
        
    }