diff --git a/deevirt_schema/api/stats.py b/deevirt_schema/api/stats.py
index 5a00b3a..eeb58b5 100644
--- a/deevirt_schema/api/stats.py
+++ b/deevirt_schema/api/stats.py
@@ -1,5 +1,6 @@
+import datetime
 from typing import Optional
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, ConfigDict, Field
 from ..libvirt.dom.stats import Stats
 
 class MemorySwap(BaseModel):
@@ -10,4 +11,9 @@ class Memory(BaseModel):
     swap:MemorySwap = Field()
 
 class Stats(Stats):
-    memory:Memory = Field()
\ No newline at end of file
+    memory:Memory = Field()
+    
+class MongoStats(Stats):
+    model_config = ConfigDict(arbitrary_types_allowed=True)
+    
+    created_at: datetime = Field(default=datetime.datetime.now(datetime.timezone.utc), alias='send_at')
\ No newline at end of file
diff --git a/deevirt_schema/libvirt/dom/stats.py b/deevirt_schema/libvirt/dom/stats.py
index 442883e..0bc3d79 100644
--- a/deevirt_schema/libvirt/dom/stats.py
+++ b/deevirt_schema/libvirt/dom/stats.py
@@ -1,3 +1,4 @@
+import datetime
 from typing import List, Optional
 from pydantic import UUID4, BaseModel, ConfigDict, Field
 from time import time_ns
diff --git a/setup.py b/setup.py
index a0cf6d7..f0ea7ea 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import find_packages, setup
 
 setup(
     name='deevirt_schema',
-    version='0.1.6',    
+    version='0.1.7',    
     description='Deevirt Schema',
     url='https://git.celeonet.fr/Deevirt/deevirt_schema.git',
     author='Celeonet',