diff --git a/laravel/app/Enums/CallEvents.php b/laravel/app/Enums/CallEvents.php
new file mode 100644
index 0000000..b7910dd
--- /dev/null
+++ b/laravel/app/Enums/CallEvents.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Enums;
+
+enum CallEvents: int
+{
+    case CALL_CREATED = 1;
+    case OPERATOR_IS_OFFLINE = 2;
+    case OPERATOR_COULD_NOT_CONNECT = 3;
+    case OPERATOR_STORED_CALL_DATA = 4;
+    case NOTIFICATION_SERVER_NOT_RESPONDING = 5;
+}
diff --git a/laravel/app/Http/Controllers/CallController.php b/laravel/app/Http/Controllers/CallController.php
index eae5c18..becb317 100644
--- a/laravel/app/Http/Controllers/CallController.php
+++ b/laravel/app/Http/Controllers/CallController.php
@@ -25,11 +25,6 @@ class CallController extends Controller
 {
     use ApiResponse;
 
-    public function index()
-    {
-        //
-    }
-
     public function store(StoreRequest $request,NotificationService $notificationService): JsonResponse
     {
         try
@@ -78,12 +73,6 @@ class CallController extends Controller
         }
     }
 
-
-    public function show(string $id)
-    {
-        //
-    }
-
     public function update(UpdateRequest $request, Call $call): JsonResponse
     {
         DB::transaction(function () use ($request, $call) {
diff --git a/laravel/app/Http/Controllers/CategoryController.php b/laravel/app/Http/Controllers/CategoryController.php
index 9a078dd..e73d8f8 100644
--- a/laravel/app/Http/Controllers/CategoryController.php
+++ b/laravel/app/Http/Controllers/CategoryController.php
@@ -5,7 +5,6 @@ namespace App\Http\Controllers;
 use app\Http\Traits\ApiResponse;
 use App\Models\Category;
 use Illuminate\Http\JsonResponse;
-use Illuminate\Http\Request;
 
 class CategoryController extends Controller
 {
diff --git a/laravel/app/Http/Requests/Call/UpdateRequest.php b/laravel/app/Http/Requests/Call/UpdateRequest.php
index 39a1b4e..3c3887b 100644
--- a/laravel/app/Http/Requests/Call/UpdateRequest.php
+++ b/laravel/app/Http/Requests/Call/UpdateRequest.php
@@ -7,21 +7,10 @@ use Illuminate\Contracts\Validation\ValidationRule;
 use Illuminate\Foundation\Http\FormRequest;
 use Illuminate\Validation\Validator;
 
-/**
- * @property mixed $call
- * @property mixed $category_id
- * @property mixed $subcategory_id
- * @OA\Schema(
- * *     schema="UpdateCallDataRequest",
- * *     title="Update Call Data",
- * *     description="OperatorActivity",
- * * @OA\Property( property="category_id", type="integer", format="int64", title="category_id", description="category id of caller request"),
- * * @OA\Property( property="subcategory_id", type="integer", format="int64", title="subcategory_id", description="subcategory id of caller request"),
- * * @OA\Property( property="description", type="string", title="description", description="operator description"),
- * * ),
- */
 class UpdateRequest extends FormRequest
 {
+    private mixed $category_id;
+
     /**
      * Determine if the user is authorized to make this request.
      */
diff --git a/laravel/app/Models/Call.php b/laravel/app/Models/Call.php
index 0eb0b3b..eb7ecf1 100644
--- a/laravel/app/Models/Call.php
+++ b/laravel/app/Models/Call.php
@@ -8,7 +8,6 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Call extends Model
 {
-    /** @use HasFactory<\Database\Factories\CallFactory> */
     use HasFactory;
     protected $guarded = [
         'call_id',
@@ -16,8 +15,8 @@ class Call extends Model
         'updated_at'
     ];
 
-//    public function histories(): HasMany
-//    {
-//        return $this->hasMany(CallHistory::class);
-//    }
+    public function histories(): HasMany
+    {
+        return $this->hasMany(CallHistory::class);
+    }
 }