Apologies, I missed the code formatting in the original post; see below. // // ContentView.swift // ZoomNavigationTransitionSample // // Created by Matthew DuBois on 6/15/25. // import SwiftUI struct ContentView: View { @State private var isPresentingSheet = false @Namespace private var namespace var body: some View { NavigationStack { List { Text("Some content") } .navigationTitle("Sample") .toolbar { ToolbarItem(placement: .topBarTrailing) { Button("Button") { isPresentingSheet = true } .matchedTransitionSource(id: "button", in: namespace) } } .sheet(isPresented: $isPresentingSheet) { Text("Some sheet content") .navigationTransition(.zoom(sourceID: "button", in: namespace)) .presentationDetents([.medium]) } } } } #Preview { ContentView() }