diff --git a/apps/establishment/serializers/back.py b/apps/establishment/serializers/back.py
index 7013fe6a..ab28fffd 100644
--- a/apps/establishment/serializers/back.py
+++ b/apps/establishment/serializers/back.py
@@ -7,6 +7,9 @@ from establishment.serializers import (
     EstablishmentBaseSerializer, PlateSerializer, ContactEmailsSerializer,
     ContactPhonesSerializer, SocialNetworkRelatedSerializers, EstablishmentDetailSerializer
 )
+
+from utils.decorators import with_base_attributes
+
 from main.models import Currency
 
 
@@ -123,7 +126,10 @@ class ContactEmailBackSerializers(PlateSerializer):
         ]
 
 
+# TODO: test decorator
+@with_base_attributes
 class EmployeeBackSerializers(serializers.ModelSerializer):
+
     """Social network serializers."""
     class Meta:
         model = models.Employee
@@ -131,4 +137,5 @@ class EmployeeBackSerializers(serializers.ModelSerializer):
             'id',
             'user',
             'name'
-        ]
\ No newline at end of file
+        ]
+
diff --git a/apps/utils/decorators.py b/apps/utils/decorators.py
new file mode 100644
index 00000000..c48a26c7
--- /dev/null
+++ b/apps/utils/decorators.py
@@ -0,0 +1,21 @@
+
+def with_base_attributes(cls):
+
+    def validate(self, data):
+        user = None
+        request = self.context.get("request")
+
+        if request and hasattr(request, "user"):
+            user = request.user
+
+        if user is not None:
+            data.update({'modified_by': user})
+
+            if not self.instance:
+                data.update({'created_by': user})
+
+        return data
+
+    setattr(cls, "validate", validate)
+
+    return cls
diff --git a/apps/utils/tests.py b/apps/utils/tests.py
index 1c9fa71d..e9ad3c23 100644
--- a/apps/utils/tests.py
+++ b/apps/utils/tests.py
@@ -8,6 +8,8 @@ from http.cookies import SimpleCookie
 from account.models import User
 from news.models import News, NewsType
 
+from establishment.models import Establishment, EstablishmentType, Employee
+
 
 class BaseTestCase(APITestCase):
 
@@ -28,6 +30,12 @@ class BaseTestCase(APITestCase):
              'locale': "en"
              })
 
+
+class TranslateFieldTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
         self.news_type = NewsType.objects.create(name="Test news type")
 
         self.news_item = News.objects.create(
@@ -45,15 +53,9 @@ class BaseTestCase(APITestCase):
             news_type=self.news_type
         )
 
-
-class TranslateFieldModel(BaseTestCase):
-
     def test_model_field(self):
         self.assertIsNotNone(getattr(self.news_item, "title_translated", None))
 
-
-class TranslateFieldReview(BaseTestCase):
-
     def test_read_locale(self):
         response = self.client.get(f"/api/web/news/{self.news_item.id}/", format='json')
         self.assertEqual(response.status_code, status.HTTP_200_OK)
@@ -62,3 +64,57 @@ class TranslateFieldReview(BaseTestCase):
         self.assertIn("title_translated", news_data)
 
         self.assertEqual(news_data['title_translated'], "Test news item")
+
+
+class BaseAttributeTests(BaseTestCase):
+
+    def setUp(self):
+        super().setUp()
+
+        self.establishment_type = EstablishmentType.objects.create(name="Test establishment type")
+        self.establishment = Establishment.objects.create(
+            name="Test establishment",
+            establishment_type_id=self.establishment_type.id,
+            is_publish=True
+        )
+
+    def test_base_attr_api(self):
+        data = {
+            'user': self.user.id,
+            'name': 'Test name'
+        }
+
+        response = self.client.post('/api/back/establishments/employees/', data=data)
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+        response_data = response.json()
+        self.assertIn("id", response_data)
+
+        employee = Employee.objects.get(id=response_data['id'])
+
+        self.assertEqual(self.user, employee.created_by)
+        self.assertEqual(self.user, employee.modified_by)
+
+        modify_user = User.objects.create_user(
+            username='sedragurda2',
+            password='sedragurdaredips192',
+            email='sedragurda2@desoz.com',
+        )
+
+        modify_tokkens = User.create_jwt_tokens(modify_user)
+        self.client.cookies = SimpleCookie(
+            {'access_token': modify_tokkens.get('access_token'),
+             'refresh_token': modify_tokkens.get('refresh_token'),
+             'locale': "en"
+             })
+
+        update_data = {
+            'name': 'Test new name'
+        }
+
+        response = self.client.patch('/api/back/establishments/employees/1/', data=update_data)
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+
+        employee.refresh_from_db()
+        self.assertEqual(modify_user, employee.modified_by)
+        self.assertEqual(self.user, employee.created_by)