diff --git a/COMPONENT_INDEX.md b/COMPONENT_INDEX.md
index 98997501..f8723f3a 100644
--- a/COMPONENT_INDEX.md
+++ b/COMPONENT_INDEX.md
@@ -2184,13 +2184,13 @@ None.
 
 ### Events
 
-| Event name | Type       | Detail |
-| :--------- | :--------- | :----- |
-| clear      | forwarded  | --     |
-| keydown    | forwarded  | --     |
-| focus      | forwarded  | --     |
-| blur       | forwarded  | --     |
-| select     | dispatched | --     |
+| Event name | Type       | Detail                                                                                              |
+| :--------- | :--------- | :-------------------------------------------------------------------------------------------------- |
+| select     | dispatched | <code>{ selectedIds: string[]; selected: MultiSelectItem[]; unselected: MultiSelectItem[]; }</code> |
+| clear      | forwarded  | --                                                                                                  |
+| keydown    | forwarded  | --                                                                                                  |
+| focus      | forwarded  | --                                                                                                  |
+| blur       | forwarded  | --                                                                                                  |
 
 ## `NotificationActionButton`
 
diff --git a/docs/src/COMPONENT_API.json b/docs/src/COMPONENT_API.json
index 18d8a86e..697fd202 100644
--- a/docs/src/COMPONENT_API.json
+++ b/docs/src/COMPONENT_API.json
@@ -5403,11 +5403,15 @@
       ],
       "slots": [],
       "events": [
+        {
+          "type": "dispatched",
+          "name": "select",
+          "detail": "{ selectedIds: string[]; selected: MultiSelectItem[]; unselected: MultiSelectItem[]; }"
+        },
         { "type": "forwarded", "name": "clear", "element": "ListBoxSelection" },
         { "type": "forwarded", "name": "keydown", "element": "input" },
         { "type": "forwarded", "name": "focus", "element": "input" },
-        { "type": "forwarded", "name": "blur", "element": "input" },
-        { "type": "dispatched", "name": "select" }
+        { "type": "forwarded", "name": "blur", "element": "input" }
       ],
       "typedefs": [
         {
diff --git a/src/MultiSelect/MultiSelect.svelte b/src/MultiSelect/MultiSelect.svelte
index c0bae642..01a8edb1 100644
--- a/src/MultiSelect/MultiSelect.svelte
+++ b/src/MultiSelect/MultiSelect.svelte
@@ -121,6 +121,7 @@
    * @typedef {string} MultiSelectItemId
    * @typedef {string} MultiSelectItemText
    * @typedef {{ id: MultiSelectItemId; text: MultiSelectItemText; }} MultiSelectItem
+   * @event {{ selectedIds: string[]; selected: MultiSelectItem[]; unselected: MultiSelectItem[]; }} select
    */
 
   import { afterUpdate, createEventDispatcher, setContext } from "svelte";
diff --git a/tests/MultiSelect.test.svelte b/tests/MultiSelect.test.svelte
index 23720a04..bb632fc5 100644
--- a/tests/MultiSelect.test.svelte
+++ b/tests/MultiSelect.test.svelte
@@ -11,6 +11,11 @@
     { id: '1', text: 'Email' },
     { id: '2', text: 'Fax' },
   ]}"
+  on:select="{(e) => {
+    console.log(e.detail.selectedIds);
+    console.log(e.detail.selected);
+    console.log(e.detail.unselected);
+  }}"
 />
 
 <MultiSelect
diff --git a/types/MultiSelect/MultiSelect.d.ts b/types/MultiSelect/MultiSelect.d.ts
index e2f52fb2..03d12188 100644
--- a/types/MultiSelect/MultiSelect.d.ts
+++ b/types/MultiSelect/MultiSelect.d.ts
@@ -179,11 +179,15 @@ export interface MultiSelectProps
 export default class MultiSelect extends SvelteComponentTyped<
   MultiSelectProps,
   {
+    select: CustomEvent<{
+      selectedIds: string[];
+      selected: MultiSelectItem[];
+      unselected: MultiSelectItem[];
+    }>;
     clear: WindowEventMap["clear"];
     keydown: WindowEventMap["keydown"];
     focus: WindowEventMap["focus"];
     blur: WindowEventMap["blur"];
-    select: CustomEvent<any>;
   },
   {}
 > {}