diff --git a/src/pyedb/dotnet/edb_core/cell/hierarchy/component.py b/src/pyedb/dotnet/edb_core/cell/hierarchy/component.py
index 6b91fbc04f..95517f6f9f 100644
--- a/src/pyedb/dotnet/edb_core/cell/hierarchy/component.py
+++ b/src/pyedb/dotnet/edb_core/cell/hierarchy/component.py
@@ -833,6 +833,10 @@ def assign_spice_model(
             File path of the Spice model.
         name : str, optional
             Name of the Spice model.
+        sub_circuit_name : str, optional
+            Name of the sub circuit.
+        terminal_pairs : list, optional
+            list of terminal pairs.
 
         Returns
         -------
@@ -879,7 +883,8 @@ def assign_s_param_model(self, file_path, name=None, reference_net=None):
             File path of the S-parameter model.
         name : str, optional
             Name of the S-parameter model.
-
+        reference_net : str, optional
+            Name of the reference net.
         Returns
         -------
 
diff --git a/src/pyedb/dotnet/edb_core/definition/component_def.py b/src/pyedb/dotnet/edb_core/definition/component_def.py
index e1d8301a34..237c9ab380 100644
--- a/src/pyedb/dotnet/edb_core/definition/component_def.py
+++ b/src/pyedb/dotnet/edb_core/definition/component_def.py
@@ -130,22 +130,32 @@ def assign_s_param_model(self, file_path, model_name=None, reference_net=None):
             comp.assign_s_param_model(file_path, model_name, reference_net)
         return True
 
-    def assign_spice_model(self, file_path, model_name=None):
+    def assign_spice_model(
+        self,
+        file_path,
+        model_name=None,
+        sub_circuit_name=None,
+        terminal_pairs=None,
+    ):
         """Assign Spice model to all components under this part name.
 
         Parameters
         ----------
         file_path : str
             File path of the Spice model.
-        name : str, optional
+        model_name : str, optional
             Name of the Spice model.
+        sub_circuit_name : str, optional
+            Name of the sub circuit.
+        terminal_pairs : list, optional
+            list of terminal pairs.
 
         Returns
         -------
 
         """
         for comp in list(self.components.values()):
-            comp.assign_spice_model(file_path, model_name)
+            comp.assign_spice_model(file_path, model_name, sub_circuit_name, terminal_pairs)
         return True
 
     @property