let app = UIApplication.shared
app.canOpen(Applications.Instagram())
app.open(Applications.AppStore(), action: .account(id: "395107918"))
app.open(Applications.AppSettings(), action: .open)

// In case the user doesn't have twitter installed, it will fallback to
// https://twitter.com/testUser/statuses/2
app.open(Applications.Twitter(), action: .status(id: "2",  screenName: "testUser"))

// Applications are recommended to be part of the
// "Applications" namespace
extension Applications {
    // Define your application as a type that
    // conforms to "ExternalApplication"
    struct MyApp: ExternalApplication {

        typealias ActionType = Applications.MyApp.Action

        let scheme = "myapp:"
        let fallbackURL = ""
        let appStoreId = ""
    }
}
// Then, you define the actions your app supports
extension Applications.MyApp {

    enum Action: ExternalApplicationAction {

        case open

        // Each action should provide an app path and web path to be
        // added to the associated URL
        var paths: ActionPaths {

            switch self {
            case .open:
                return ActionPaths()
            }
        }
    }
}

app.open(Applications.MyApp(), action: .open)