alertitem_example_1.swift

struct ContentView: View {
    
    @State var alertItem : AlertItem?
    
    var body: some View {
        
        VStack{
            
            /// button 1
            Button(action: {
                self.alertItem = AlertItem(title: Text("I'm an alert"), message: Text("Are you sure about this?"), primaryButton: .default(Text("Yes"), action: {
                    /// insert alert 1 action here
                }), secondaryButton: .cancel())
            }, label: {
                Text("SHOW ALERT 1")
            })
            
            /// button 2
            Button(action: {
                self.alertItem = AlertItem(title: Text("I'm another alert"), dismissButton: .default(Text("OK")))
            }, label: {
                Text("SHOW ALERT 2")
            })
            
        }.alert(item: $alertItem) { alertItem in
            guard let primaryButton = alertItem.primaryButton, let secondaryButton = alertItem.secondaryButton else{
                return Alert(title: alertItem.title, message: alertItem.message, dismissButton: alertItem.dismissButton)
            }
            return Alert(title: alertItem.title, message: alertItem.message, primaryButton: primaryButton, secondaryButton: secondaryButton)
        }
        
    }
}