struct ContentView: View {
    @State var showToast = false
    var body: some View {
        VStack {
            // your screen main stack
            Button(action: {
                self.showToast.toggle()
            }) {
                Text("Show Toast")
                    .foregroundColor(.black)
            }
        }
        .present(isPresented: self.$showToast, type: .toast, position: .top) {
           /// create your own view for toast
            self.createTopToastView()
        }
    }
    
    func createTopToastView() -> some View {
        VStack {
            Spacer(minLength: 20)
            HStack() {
                Image("mike")
                    .resizable()
                    .aspectRatio(contentMode: ContentMode.fill)
                    .frame(width: 50, height: 50)
                    .cornerRadius(25)

                VStack(alignment: .leading, spacing: 2) {
                    HStack {
                        Text("Mike")
                            .foregroundColor(.white)
                            .fontWeight(.bold)
                        Spacer()
                        Text("10:10")
                            .font(.system(size: 12))
                            .foregroundColor(Color(red: 0.9, green: 0.9, blue: 0.9))
                    }

                    Text("Hey, Don't miss the WWDC on tonight at 10 AM PST.")
                        .lineLimit(2)
                        .font(.system(size: 14))
                        .foregroundColor(.white)
                }
            }.padding(15)
        }
        .frame(width: UIScreen.main.bounds.width, height: 110)
        .background(Color(red: 0.85, green: 0.65, blue: 0.56))
    }
}