diff --git a/datacontract/model/data_contract_specification.py b/datacontract/model/data_contract_specification.py
index 2af37781..beee7b44 100644
--- a/datacontract/model/data_contract_specification.py
+++ b/datacontract/model/data_contract_specification.py
@@ -186,6 +186,8 @@ class Model(pyd.BaseModel):
     title: Optional[str] = None
     fields: Dict[str, Field] = {}
     quality: List[Quality] | None = []
+    primaryKey: List[str] | None = []
+    examples: List[Any] | None = None
     config: Dict[str, Any] = None
     tags: List[str] | None = None