How to show detail of multiple items together which are selected in a list in SwiftUI

Question

Taking the example from SO answer itself where multiple selection in a list is performed. Next step is how to show detail view of selected items together in detail view. Not able to figure out this issue. Created a button which will redirect to detail view based on selected items but it showing only one item

My app involves API therefore I am taking this example. In addition, the detail view of list item in my app comes from another API instead of the API used to create list. I think I have to use published var to store selected items (how?) and than call API

import SwiftUI

struct HomeActivity: View {
    
    @State var items: [String] = ["Apples", "Oranges", "Bananas", 
                                  "Pears", 
                                  "Mangos","grapefruit","Kela","Angur","Papita","tarbooj"]
    @State var selection: [String] = []
    @State var listId: [String] = []
    @State var yes:Bool = false
    
    var body: some View {
        
        NavigationView{
            
            VStack{
                Button("Submit"){
                    self.yes.toggle()
                }
                if(yes)
                {
                    //implement detail view based on selection
                }
            }
            List{
                ForEach(self.items, id: \.self){item in
                    //    NavigationLink(destination: Text("Fruit Name : \(item)")){
                    DetailView(title:item,isSelected: 
                                self.selection.contains(item)) {
                        if self.selection.contains(item) {
                            self.selection.removeAll(where: { $0 == item })
                            
                            //       self.yes.toggle()
                        }
                        else {
                            listId = self.selection                
                        }
                    }
                }
            }
        }
    }
}

struct DetailView: View {
    var title: String
    var isSelected: Bool
    var action: () -> Void
    
    var body: some View {
        Button(action: self.action) {
            HStack {
                Text(self.title)
                if self.isSelected {
                    Spacer()
                    Image(systemName: "checkmark")
                }
            }
        }
    }
}


struct HomeActivity_Previews: PreviewProvider {
    static var previews: some View {
        HomeActivity()
    }
}