diff --git a/app/Containers/v1/Notification/Controllers/Controller.php b/app/Containers/v1/Notification/Controllers/Controller.php
index ce7b0e3..7d4625c 100644
--- a/app/Containers/v1/Notification/Controllers/Controller.php
+++ b/app/Containers/v1/Notification/Controllers/Controller.php
@@ -73,9 +73,9 @@ public function read(string $notificationId)
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function multiRead(MultiReadRequest $request)
+    public function multiRead(Request $request)
     {
-        $notificationStoreDTO = NotificationStoreDTO::fromRequest($request);
+        $notificationStoreDTO = NotificationStoreDTO::from($request);
         Executor::run('Notification@MultiReadAction', $notificationStoreDTO);
 
         return Responder::success([], __('message.success_update'));
@@ -88,9 +88,9 @@ public function multiRead(MultiReadRequest $request)
      *
      * @return \Illuminate\Http\JsonResponse
      */
-    public function multiDelete(MultiDeleteRequest $request)
+    public function multiDelete(Request $request)
     {
-        $notificationStoreDTO = NotificationStoreDTO::fromRequest($request);
+        $notificationStoreDTO = NotificationStoreDTO::from($request);
         Executor::run('Notification@MultiDeleteAction', $notificationStoreDTO);
 
         return Responder::success([], __('message.success_delete'));
diff --git a/app/Containers/v1/Notification/DTO/NotificationStoreDTO.php b/app/Containers/v1/Notification/DTO/NotificationStoreDTO.php
index 3dcc920..6a773bb 100644
--- a/app/Containers/v1/Notification/DTO/NotificationStoreDTO.php
+++ b/app/Containers/v1/Notification/DTO/NotificationStoreDTO.php
@@ -2,17 +2,27 @@
 
 namespace App\Containers\v1\Notification\DTO;
 
-use Illuminate\Http\Request;
-use Spatie\DataTransferObject\DataTransferObject;
+use Spatie\LaravelData\Data;
 
-class NotificationStoreDTO extends DataTransferObject
+/**
+ * @reference https://github.com/spatie/data-transfer-object
+ */
+class NotificationStoreDTO extends Data
 {
-    public $notification_ids;
+    public function __construct(
+        public array $notification_ids
+    ) {}
 
-    public static function fromRequest(Request $request): self
+    /**
+     * to construct a custom rule object
+     *
+     * @reference https://laravel.com/docs/9.x/validation
+     */
+    public static function rules(): array
     {
-        return new self([
-            'notification_ids' => $request->notification_ids
-        ]);
+        return [
+            'notification_ids' => ['required', 'array', 'bail'],
+            'notification_ids.*' => ['integer', 'max:36', 'bail']
+        ];
     }
 }
diff --git a/app/Containers/v1/Notification/Requests/MultiDeleteRequest.php b/app/Containers/v1/Notification/Requests/MultiDeleteRequest.php
deleted file mode 100644
index 1e9fcab..0000000
--- a/app/Containers/v1/Notification/Requests/MultiDeleteRequest.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-namespace App\Containers\v1\Notification\Requests;
-
-use App\Ship\Abstracts\Requests\FormRequest;
-
-class MultiDeleteRequest extends FormRequest
-{
-    public function rules(): array
-    {
-        return [
-            'notification_ids' => ['nullable', 'array', 'bail'],
-            'notification_ids.*' => ['string', 'max:36', 'bail']
-        ];
-    }
-}
diff --git a/app/Containers/v1/Notification/Requests/MultiReadRequest.php b/app/Containers/v1/Notification/Requests/MultiReadRequest.php
deleted file mode 100644
index fe85a13..0000000
--- a/app/Containers/v1/Notification/Requests/MultiReadRequest.php
+++ /dev/null
@@ -1,16 +0,0 @@
-<?php
-
-namespace App\Containers\v1\Notification\Requests;
-
-use App\Ship\Abstracts\Requests\FormRequest;
-
-class MultiReadRequest extends FormRequest
-{
-    public function rules(): array
-    {
-        return [
-            'notification_ids' => ['nullable', 'array', 'bail'],
-            'notification_ids.*' => ['string', 'max:36', 'bail']
-        ];
-    }
-}