diff --git a/ereuse_devicehub/migrations/versions/e93aec8fc41f_added_assigned_action.py b/ereuse_devicehub/migrations/versions/e93aec8fc41f_added_assigned_action.py
index 690967e4..0d65cf9d 100644
--- a/ereuse_devicehub/migrations/versions/e93aec8fc41f_added_assigned_action.py
+++ b/ereuse_devicehub/migrations/versions/e93aec8fc41f_added_assigned_action.py
@@ -30,6 +30,8 @@ def upgrade():
     # Allocate action
     op.drop_table('allocate', schema=f'{get_inv()}')
     op.create_table('allocate',
+        sa.Column('final_user_code', citext.CIText(), default='', nullable=True,
+            comment = "This is a internal code for mainteing the secrets of the personal datas of the new holder")
         sa.Column('transaction', citext.CIText(), nullable=True, comment='The code used from the owner for relation with external tool.'),
         sa.Column('end_users', sa.Numeric(precision=4), nullable=True),
         sa.Column('id', postgresql.UUID(as_uuid=True), nullable=False),
diff --git a/ereuse_devicehub/resources/action/models.py b/ereuse_devicehub/resources/action/models.py
index ad05efca..fadc23ad 100644
--- a/ereuse_devicehub/resources/action/models.py
+++ b/ereuse_devicehub/resources/action/models.py
@@ -313,6 +313,9 @@ class Remove(ActionWithOneDevice):
 class Allocate(JoinedTableMixin, ActionWithMultipleDevices):
     """The act of allocate one list of devices to one person
     """
+    final_user_code = Column(CIText(), default='', nullable=True)
+    final_user_code.comment = """This is a internal code for mainteing the secrets of the
+        personal datas of the new holder"""
     transaction = Column(CIText(), default='', nullable=True)
     transaction.comment = "The code used from the owner for relation with external tool."
     end_users = Column(Numeric(precision=4), check_range('end_users', 0), nullable=True)
diff --git a/ereuse_devicehub/resources/action/schemas.py b/ereuse_devicehub/resources/action/schemas.py
index 4c72a456..e32112ca 100644
--- a/ereuse_devicehub/resources/action/schemas.py
+++ b/ereuse_devicehub/resources/action/schemas.py
@@ -71,6 +71,11 @@ class Allocate(ActionWithMultipleDevices):
                           description=m.Action.start_time.comment)
     end_time = DateTime(data_key='endTime', required=False,
                         description=m.Action.end_time.comment)
+    final_user_code = SanitizedStr(data_key="finalUserCode"
+                                   validate=Length(min=1, max=STR_BIG_SIZE),
+                                   required=False,
+                                   description='This is a internal code for mainteing the secrets of the \
+                                               personal datas of the new holder')
     transaction = SanitizedStr(validate=Length(min=1, max=STR_BIG_SIZE),
                         required=False,
                         description='The code used from the owner for \
diff --git a/tests/test_action.py b/tests/test_action.py
index 5e4e014d..79cfa89c 100644
--- a/tests/test_action.py
+++ b/tests/test_action.py
@@ -279,6 +279,7 @@ def test_allocate(user: UserClient):
     snapshot, _ = user.post(file('basic.snapshot'), res=models.Snapshot)
     device_id = snapshot['device']['id']
     post_request = {"transaction": "ccc", 
+                    "finalUserCode": "aabbcc",
                     "name": "John", 
                     "severity": "Info",
                     "endUsers": 1,
@@ -294,6 +295,7 @@ def test_allocate(user: UserClient):
     assert device['allocated'] == True
     action = [a for a in device['actions'] if a['type'] == 'Allocate'][0]
     assert action['transaction'] == allocate['transaction']
+    assert action['finalUserCode'] == allocate['finalUserCode']
     assert action['created'] == allocate['created']
     assert action['startTime'] == allocate['startTime']
     assert action['endUsers'] == allocate['endUsers']
@@ -322,6 +324,7 @@ def test_allocate_bad_dates(user: UserClient):
     delta = timedelta(days=30)
     future = datetime.now() + delta
     post_request = {"transaction": "ccc", 
+                    "finalUserCode": "aabbcc",
                     "name": "John", 
                     "severity": "Info",
                     "end_users": 1,
diff --git a/tests/test_metrics.py b/tests/test_metrics.py
index c053235f..238b6132 100644
--- a/tests/test_metrics.py
+++ b/tests/test_metrics.py
@@ -17,6 +17,7 @@ def test_simple_metrics(user: UserClient):
     snapshot, _ = user.post(acer, res=ma.Snapshot)
     device_id = snapshot['device']['id']
     post_request = {"transaction": "ccc", "name": "John", "endUsers": 1,
+                    "finalUserCode": "abcdefjhi",
                     "devices": [device_id], "description": "aaa",
                     "startTime": "2020-11-01T02:00:00+00:00",
                     "endTime": "2020-12-01T02:00:00+00:00"
@@ -59,6 +60,7 @@ def test_second_hdd_metrics(user: UserClient):
     snapshot, _ = user.post(acer, res=ma.Snapshot)
     device_id = snapshot['device']['id']
     post_request = {"transaction": "ccc", "name": "John", "endUsers": 1,
+                    "finalUserCode": "abcdefjhi",
                     "devices": [device_id], "description": "aaa",
                     "startTime": "2020-11-01T02:00:00+00:00",
                     "endTime": "2020-12-01T02:00:00+00:00"
@@ -100,6 +102,7 @@ def test_metrics_with_live_null(user: UserClient):
     snapshot, _ = user.post(acer, res=ma.Snapshot)
     device_id = snapshot['device']['id']
     post_request = {"transaction": "ccc", "name": "John", "endUsers": 1,
+                    "finalUserCode": "abcdefjhi",
                     "devices": [device_id], "description": "aaa",
                     "startTime": "2020-11-01T02:00:00+00:00",
                     "endTime": "2020-12-01T02:00:00+00:00"