diff --git a/Sources/FlowStack/FlowStack.swift b/Sources/FlowStack/FlowStack.swift
index c53a814..4900822 100644
--- a/Sources/FlowStack/FlowStack.swift
+++ b/Sources/FlowStack/FlowStack.swift
@@ -227,6 +227,7 @@ public struct FlowStack<Root: View, Overlay: View>: View {
     private var overlay: () -> Overlay
 
     private var usesInternalPath: Bool = false
+    private var dismissAction: (() async -> Void)?
 
     @StateObject private var destinationLookup: DestinationLookup = .init()
     @StateObject var accessibilityManager: AccessibilityManager = .init()
@@ -236,13 +237,15 @@ public struct FlowStack<Root: View, Overlay: View>: View {
     /// - Parameters:
     ///   - overlayAlignment: The alignment applied to the overlay.
     ///   - customSmoothAnimation: The animation to use during flow transitions.
+    ///   - dismissAction: An optional asynchronous action to finish before dismissing a destination.
     ///   - root: The view to display when the stack is empty.
     ///   - overlay: The view to overlay on the FlowStack. This view is always visible in front of any view presented by the flow stack.
-    public init(overlayAlignment: Alignment = .center, customSmoothAnimation: CustomSmoothAnimation? = nil, @ViewBuilder root: @escaping () -> Root, @ViewBuilder overlay: @escaping () -> Overlay) {
+    public init(overlayAlignment: Alignment = .center, customSmoothAnimation: CustomSmoothAnimation? = nil, dismissAction: (() async -> Void)? = nil, @ViewBuilder root: @escaping () -> Root, @ViewBuilder overlay: @escaping () -> Overlay) {
         self.root = root
         self.overlay = overlay
         self.overlayAlignment = overlayAlignment
         self.customSmoothAnimation = customSmoothAnimation ?? CustomSmoothAnimation.default
+        self.dismissAction = dismissAction
 
         self.usesInternalPath = true
         self._path = Binding(get: { FlowPath() }, set: { _ in })
@@ -253,14 +256,16 @@ public struct FlowStack<Root: View, Overlay: View>: View {
     ///   - path: A Binding to the flow path for this stack.
     ///   - overlayAlignment: The alignment applied to the overlay.
     ///   - customSmoothAnimation: The animation to use during flow transitions.
+    ///   - dismissAction: An optional asynchronous action to finish before dismissing a destination.
     ///   - root: The view to display when the stack is empty.
     ///   - overlay: The view to overlay on the FlowStack. This view is always visible in front of any view presented by the flow stack.
-    public init(path: Binding<FlowPath>, overlayAlignment: Alignment = .center, customSmoothAnimation: CustomSmoothAnimation? = nil, @ViewBuilder root: @escaping () -> Root, @ViewBuilder overlay: @escaping () -> Overlay) {
+    public init(path: Binding<FlowPath>, overlayAlignment: Alignment = .center, customSmoothAnimation: CustomSmoothAnimation? = nil, dismissAction: (() async -> Void)? = nil, @ViewBuilder root: @escaping () -> Root, @ViewBuilder overlay: @escaping () -> Overlay) {
         self.root = root
         self.overlay = overlay
         self.overlayAlignment = overlayAlignment
         self._path = path
         self.customSmoothAnimation = customSmoothAnimation ?? CustomSmoothAnimation.default
+        self.dismissAction = dismissAction
     }
 
     private func destination(for instance: any (Hashable & Equatable)) -> AnyDestination? {
@@ -296,15 +301,17 @@ public struct FlowStack<Root: View, Overlay: View>: View {
     private var flowDismissAction: FlowDismissAction {
         FlowDismissAction(
             onDismiss: {
-                guard let element = pathToUse.wrappedValue.elements.last else { return }
-
-                // The link comes into view first, so that it is already standing in for
-                // the destination when the destination starts zooming back into it.
-                linkContexts.revealLink(for: AnyHashable(element.value), atLevel: element.index, source: element.source) {
-                    guard pathToUse.wrappedValue.elements.last == element else { return }
-                    withTransaction(transaction) {
-                        accessibilityManager.decrementIndex()
-                        pathToUse.wrappedValue.removeLast()
+                Task {
+                    guard let element = pathToUse.wrappedValue.elements.last else { return }
+                    // The link comes into view first, so that it is already standing in for
+                    // the destination when the destination starts zooming back into it.
+                    await dismissAction?()
+                    linkContexts.revealLink(for: AnyHashable(element.value), atLevel: element.index, source: element.source) {
+                        guard pathToUse.wrappedValue.elements.last == element else { return }
+                        withTransaction(transaction) {
+                            accessibilityManager.decrementIndex()
+                            pathToUse.wrappedValue.removeLast()
+                        }
                     }
                 }
             })
@@ -373,8 +380,9 @@ public extension FlowStack where Overlay == EmptyView {
     /// Creates a flow stack that manages its own navigation state.
     /// - Parameters:
     ///   - customSmoothAnimation: The animation to use during flow transitions.
+    ///   - dismissAction: An optional asynchronous action to finish before dismissing a destination.
     ///   - root: The view to display when the stack is empty.
-    init(customSmoothAnimation: CustomSmoothAnimation? = nil, @ViewBuilder root: @escaping () -> Root) {
+    init(customSmoothAnimation: CustomSmoothAnimation? = nil, dismissAction: (() async -> Void)? = nil, @ViewBuilder root: @escaping () -> Root) {
         self.root = root
         self.overlay = { EmptyView() }
         self.overlayAlignment = .center
@@ -382,19 +390,22 @@ public extension FlowStack where Overlay == EmptyView {
         self.usesInternalPath = true
         self._path = Binding(get: { FlowPath() }, set: { _ in })
         self.customSmoothAnimation = customSmoothAnimation ?? CustomSmoothAnimation.default
+        self.dismissAction = dismissAction
     }
 
     /// Creates a flow stack with heterogeneous navigation state that you can control.
     /// - Parameters:
     ///   - path: A Binding to the flow path for this stack.
     ///   - customSmoothAnimation: The animation to use during flow transitions.
+    ///   - dismissAction: An optional asynchronous action to finish before dismissing a destination.
     ///   - root: The view to display when the stack is empty.
-    init(path: Binding<FlowPath>, customSmoothAnimation: CustomSmoothAnimation? = nil, @ViewBuilder root: @escaping () -> Root) {
+    init(path: Binding<FlowPath>, customSmoothAnimation: CustomSmoothAnimation? = nil, dismissAction: (() async -> Void)? = nil, @ViewBuilder root: @escaping () -> Root) {
         self.root = root
         self.overlay = { EmptyView() }
         self.overlayAlignment = .center
         self._path = path
         self.customSmoothAnimation = customSmoothAnimation ?? CustomSmoothAnimation.default
+        self.dismissAction = dismissAction
     }
 }