struct Recipe: Transferable {
    let title: String
    let ingredients: [String]
    
    static var transferRepresentation: some TransferRepresentation {
        CodableRepresentation(contentType: .recipe)
        ProxyRepresentation(exporting: \.title)
    }
}

struct RecipeView: View {
    let recipe = Recipe(title: "Pasta", ingredients: ["Noodles", "Sauce"])
    
    var body: some View {
        VStack {
            Text(recipe.title)
            ShareLink(item: recipe) {
                Label("Share Recipe", systemImage: "square.and.arrow.up")
            }
            .sharePreview(recipe.title, 
                         image: Image("recipe-thumbnail"))
        }
    }
}

extension UTType {
    static let recipe = UTType(exportedAs: "com.app.recipe")
}