Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Mode
MDATA_KNIFEPATH_MODE
Parameter: Offset Mode
MDATA_KNIFEPATH_OFFSET_MODE
Parameter: Offset
MDATA_KNIFEPATH_OFFSET
Parameter: Distance
MDATA_KNIFEPATH_DISTANCE
Parameter: Number of Cuts
MDATA_KNIFEPATH_CUT_NUMBER
Parameter: Restrict To Selection
MDATA_KNIFEPATH_SELECTED
Parameter: Select Cuts
MDATA_KNIFEPATH_SELECT_CUT
Parameter: Connect Cut Edges
MDATA_KNIFEPATH_CUTPOLYS
Parameter: Reuse Cuts
MDATA_KNIFEPATH_INTERACTION_STORE_LAYOUT
Parameter: Bidirectional Cut
MDATA_KNIFEPATH_INTERACTION_BIDIRECTIONAL
Parameter: Symmetrical Cut
MDATA_KNIFEPATH_INTERACTION_SYMETRY
Parameter: Toggle Direction
MDATA_KNIFEPATH_INTERACTION_DIRECTION
Parameter: Stop Cut at N-gon
MDATA_KNIFEPATH_INTERACTION_STOP_AT_NGON
Parameter: Stop Cut at Pole
MDATA_KNIFEPATH_INTERACTION_STOP_AT_POLE
Parameter: Quantize Subdivision
MDATA_KNIFEPATH_QUANTIZE_EDGE_SUB
Parameter: Quantize Step
MDATA_KNIFEPATH_QUANTIZE_EDGE_SUB_NUMBER
Parameter: Use Loop Range
MDATA_KNIFEPATH_LIMITED_RANGE
Parameter: Range
MDATA_KNIFEPATH_RANGE_NUMBER
Parameter: Preserve Curvature
MDATA_KNIFEPATH_PRESERVE_CURVATURE
Parameter: Tension
MDATA_KNIFEPATH_PRESERVE_CURVATURE_TENSION
Parameter: Profile
MDATA_KNIFEPATH_SPLINE_USE
Parameter: Depth
MDATA_KNIFEPATH_SPLINE_EXTRUSION
Parameter: MDATA_KNIFEPATH_SPLINE
MDATA_KNIFEPATH_SPLINE