diff --git a/app/models/site_domain_models.py b/app/models/site_domain_models.py
index ba59e95..9d892bf 100644
--- a/app/models/site_domain_models.py
+++ b/app/models/site_domain_models.py
@@ -31,6 +31,8 @@ class Site_Domain_Base(BaseModel):
     access_key: Optional[str]
     required_referrer: Optional[str]
 
+    access_code_kv_json: Optional[Union[Json, None]]
+
     valid_for: Optional[int] # number of hours
     enable: Optional[bool]
 
@@ -96,6 +98,8 @@ class Site_Domain_FQDN_ID_Base(BaseModel):
     access_key: Optional[str]
     required_referrer: Optional[str]
 
+    access_code_kv_json: Optional[Union[Json, None]]
+
     valid_for: Optional[int] # number of hours
     enable: Optional[bool]
 
diff --git a/app/models/site_models.py b/app/models/site_models.py
index 5c257d0..726f2b8 100644
--- a/app/models/site_models.py
+++ b/app/models/site_models.py
@@ -34,6 +34,8 @@ class Site_Base(BaseModel):
     restrict_access: Optional[bool]
     access_key: Optional[str]
 
+    access_code_kv_json: Optional[Union[Json, None]]
+
     enable: Optional[bool]
     enable_from: Optional[datetime.datetime] = None
     enable_to: Optional[datetime.datetime] = None