diff --git a/packages/element-web-module-api/element-web-module-api.api.md b/packages/element-web-module-api/element-web-module-api.api.md
index 62bfb5e58f..47bf5e2c87 100644
--- a/packages/element-web-module-api/element-web-module-api.api.md
+++ b/packages/element-web-module-api/element-web-module-api.api.md
@@ -59,6 +59,7 @@ export interface Api extends LegacyModuleApiExtension, LegacyCustomisationsApiEx
 
 // @alpha
 export interface BuiltinsApi {
+    renderNotificationDecoration(roomId: string): React.ReactNode;
     renderRoomAvatar(roomId: string, size?: string): React.ReactNode;
     renderRoomView(roomId: string, props?: RoomViewProps): React.ReactNode;
 }
diff --git a/packages/element-web-module-api/src/api/builtins.ts b/packages/element-web-module-api/src/api/builtins.ts
index d5d66d1c4f..f88e852936 100644
--- a/packages/element-web-module-api/src/api/builtins.ts
+++ b/packages/element-web-module-api/src/api/builtins.ts
@@ -53,4 +53,12 @@ export interface BuiltinsApi {
      * @param props - Additional props to pass to the room view
      */
     renderRoomView(roomId: string, props?: RoomViewProps): React.ReactNode;
+
+    /**
+     * Render notification decoration component from element-web.
+     *
+     * @alpha
+     * @param roomId - Id of the room
+     */
+    renderNotificationDecoration(roomId: string): React.ReactNode;
 }