diff --git a/src/CodeSnippet/CodeSnippet.svelte b/src/CodeSnippet/CodeSnippet.svelte
index 23b569e8..914670e7 100644
--- a/src/CodeSnippet/CodeSnippet.svelte
+++ b/src/CodeSnippet/CodeSnippet.svelte
@@ -1,4 +1,9 @@
 <script>
+  /**
+   * @event {null} expand
+   * @event {null} collapse
+   */
+
   /**
    * Set the type of code snippet
    * @type {"single" | "inline" | "multi"}
@@ -117,6 +122,7 @@
     if (code === undefined) setShowMoreLess();
     if (code) tick().then(setShowMoreLess);
   }
+  $: if (type === "multi") dispatch(expanded ? "expand" : "collapse");
 
   onMount(() => {
     return () => clearTimeout(timeout);