diff --git a/app/notifier.py b/app/notifier.py
index 1e47ef3..848e27e 100644
--- a/app/notifier.py
+++ b/app/notifier.py
@@ -3,6 +3,7 @@ from secrets import token_hex
 from smtplib import SMTP_SSL
 
 from constants import DOMAIN, PASSWORD, USERNAME
+from database.crud import save_attribute
 
 
 def initialize_smtp(domain, username, password):
@@ -12,17 +13,19 @@ def initialize_smtp(domain, username, password):
 
 
 def format_message(sender, recipient):
-    body = "La clave es {}. Envíele esta clave al bot.".format(token_hex(4))
+    code = token_hex(4)
+    body = "La clave es {}. Envíele esta clave al bot.".format()
     message = EmailMessage()
     message["From"] = sender
     message["To"] = recipient
     message["Subject"] = "Clave para verificar su identidad"
     message.set_content(body)
-    return message
+    return message, code
 
 
 def send_mail(recipient):
     server = initialize_smtp(domain=DOMAIN, username=USERNAME, password=PASSWORD)
-    message = format_message(sender=USERNAME, recipient=recipient)
+    message, code = format_message(sender=USERNAME, recipient=recipient)
+    save_attribute(attribute="codigo", data=code)
     server.send_message(msg=message)
     server.close()
diff --git a/database/crud.py b/database/crud.py
index 4458f55..7ce31c1 100644
--- a/database/crud.py
+++ b/database/crud.py
@@ -25,3 +25,18 @@ def create_database(data):
     if existing_row:
         return
     insert_data(data)
+
+
+def save_attribute(attribute, data):
+    key = eval("Users." + attribute)
+    db.query(Users).filter(
+        or_(Users.correo_institucional == id, Users.numero_de_documento == id)
+    ).update({key: data})
+
+
+def verify_code(id, code):
+    db_record = search_database(id=id)
+    valid_code = code == db_record
+    if valid_code:
+        return True
+    return False