Simple Alert in SwiftUI

a_simple_alert.swift

struct ContentView: View {
    
    @State var showAlert = false
    
    var body: some View {
        
        Button(action: {
            self.showAlert.toggle()
        }, label: {
            Text("SHOW ALERT")
        })
        .alert(isPresented: self.$showAlert, content: {
            Alert(title: Text("I'm an alert"))
        })
        
    }
}