diff --git a/src/aeros_simulation/schema.py b/src/aeros_simulation/schema.py
index a932989..67354e2 100644
--- a/src/aeros_simulation/schema.py
+++ b/src/aeros_simulation/schema.py
@@ -103,6 +103,9 @@ class SimulationData(BaseModel):
     schematic_name: str
     reliability: Optional[dict]
     created_at: datetime
+    started_at: datetime
+    duration: int
+    offset:int
 
 class SimulationRankingParameters(EquipmentWithCustomParameters):
     availability:float