diff --git a/common/src/aaredaqlib/models.py b/common/src/aaredaqlib/models.py
index bab1fc31..c265426d 100644
--- a/common/src/aaredaqlib/models.py
+++ b/common/src/aaredaqlib/models.py
@@ -404,15 +404,14 @@ class SampleShortInfoList(BaseModel):
     s: List[SampleShortInfo]
 
 class SimpleScanParameters(BaseModel):
+    filename: Optional[str] = None
     dtz: float = 120
     exp_time_s: float = 0.02
     start_omega_deg:float = 0
     incr_omega_deg: float = 0.2
     steps: int = 900
     transmission: float = 1.0
-#class ReferencePuckInfo(BaseModel):
-#    test_sample = SampleShortInfo(db_id=-1, puck_name="test_puck", dewar_name="test_dewar", sample_name="test_sample",
-#                                  pin=11, location=DewarAddress(segment="X", pos=1))
+
 
 class BeamMarkCoeffModel(BaseModel):
     """