diff --git a/src/Notification/ToastNotification.svelte b/src/Notification/ToastNotification.svelte
index ff60b6c7..715bb8e0 100644
--- a/src/Notification/ToastNotification.svelte
+++ b/src/Notification/ToastNotification.svelte
@@ -43,8 +43,10 @@
   let timeoutId = undefined;
 
   function close(closeFromTimeout) {
-    open = false;
-    dispatch("close", { timeout: closeFromTimeout === true });
+    const shouldContinue = dispatch("close", { timeout: closeFromTimeout === true }, { cancelable: true });
+    if (shouldContinue) {
+      open = false;
+    }
   }
 
   onMount(() => {