diff --git a/core/services/helper/main.py b/core/services/helper/main.py
index 609b2d081b..6ba665635c 100755
--- a/core/services/helper/main.py
+++ b/core/services/helper/main.py
@@ -99,6 +99,7 @@ class ServiceMetadata(BaseModel):
     route: Optional[str]
     new_page: Optional[bool]
     extra_query: Optional[str]
+    avoid_iframes: Optional[bool]
     api: str
     sanitized_name: Optional[str]