split# Polyline.split(plane, sides='Both')# Split the active object. Parameters: planestrCoordinate plane of the cut. Choices for the coordinate plane are "XY", "YZ", and "ZX". sidesstr, optionalWhich side to keep. Options are "Both", "PositiveOnly", and "NegativeOnly". The default is "Both", in which case all objects are kept after the split. Returns: list of strList of split objects. References >>> oEditor.Split