diff --git a/apps/notification/management/commands/send_certificates.py b/apps/notification/management/commands/send_certificates.py
index 639cb21e..343b451b 100644
--- a/apps/notification/management/commands/send_certificates.py
+++ b/apps/notification/management/commands/send_certificates.py
@@ -1,4 +1,5 @@
 from django.core.management.base import BaseCommand
+from email.mime.image import MIMEImage
 
 from apps.notification.utils import send_email
 
@@ -7,4 +8,4 @@ class Command(BaseCommand):
     help = 'Send certificates at the end of subscription'
 
     def handle(self, *args, **options):
-        pass
+        image = MIMEImage(cms.image.open().read())
diff --git a/apps/notification/models.py b/apps/notification/models.py
new file mode 100644
index 00000000..6e4e18f5
--- /dev/null
+++ b/apps/notification/models.py
@@ -0,0 +1,10 @@
+from django.db import models
+from django.contrib.auth import get_user_model
+
+
+User = get_user_model()
+
+class UserNotification(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    certificate_number = models.SmallIntegerField(blank=True, null=True)
+    certificate_last_email = models.DateTimeField(blank=True, null=True)