**TUI Command**:
-.. py:function:: model.addFillet(Part_doc, [face,edge], R1, R2)
+.. py:function:: model.addFillet(Part_doc, shapes, R1, R2)
- :param part: The current part object.
- :param list: A list of faces and edges subject to fillet operation in format *model.selection(TYPE, shape)*.
- :param number: Start radius value.
- :param number: End radius value.
+ :param document Part_doc: The current part object.
+ :param list shapes: A list of faces and edges subject to fillet operation in format *model.selection(TYPE, shape)*.
+ :param double R1: Start radius value.
+ :param double R2: End radius value.
:return: Created object.
Result