diff --git a/temporal/workflow.py b/temporal/workflow.py
index 3ae54d9..60f059b 100644
--- a/temporal/workflow.py
+++ b/temporal/workflow.py
@@ -7,12 +7,18 @@ from temporal.activity import calculate_plant_eaf_activity, execute_simulation_a
 
 @workflow.defn
 class SimulationWorkflow:
-    status = "PENDING"
+    def __init__(self):
+        self.status = "INITIALIZED"
+        self.isDone = False
 
     @workflow.query
     def get_status(self) -> str:
         return self.status
     
+    @workflow.query
+    def is_done(self) -> bool:
+        return self.isDone
+    
     @workflow.run
     async def run(self, sim_data: dict) -> str:
         self.status = "RUNNING"
@@ -46,4 +52,5 @@ class SimulationWorkflow:
 
         self.status = "COMPLETED"
         # etc…
+        self.isDone = True
         return sim_data["HubCnnId"]  # simulation_id