Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Mode
MDATA_KNIFEPATH_MODEParameter: Offset Mode
MDATA_KNIFEPATH_OFFSET_MODEParameter: Offset
MDATA_KNIFEPATH_OFFSETParameter: Distance
MDATA_KNIFEPATH_DISTANCEParameter: Number of Cuts
MDATA_KNIFEPATH_CUT_NUMBERParameter: Restrict To Selection
MDATA_KNIFEPATH_SELECTEDParameter: Select Cuts
MDATA_KNIFEPATH_SELECT_CUTParameter: Connect Cut Edges
MDATA_KNIFEPATH_CUTPOLYSParameter: Reuse Cuts
MDATA_KNIFEPATH_INTERACTION_STORE_LAYOUTParameter: Bidirectional Cut
MDATA_KNIFEPATH_INTERACTION_BIDIRECTIONALParameter: Symmetrical Cut
MDATA_KNIFEPATH_INTERACTION_SYMETRYParameter: Toggle Direction
MDATA_KNIFEPATH_INTERACTION_DIRECTIONParameter: Stop Cut at N-gon
MDATA_KNIFEPATH_INTERACTION_STOP_AT_NGONParameter: Stop Cut at Pole
MDATA_KNIFEPATH_INTERACTION_STOP_AT_POLEParameter: Quantize Subdivision
MDATA_KNIFEPATH_QUANTIZE_EDGE_SUBParameter: Quantize Step
MDATA_KNIFEPATH_QUANTIZE_EDGE_SUB_NUMBERParameter: Use Loop Range
MDATA_KNIFEPATH_LIMITED_RANGEParameter: Range
MDATA_KNIFEPATH_RANGE_NUMBERParameter: Preserve Curvature
MDATA_KNIFEPATH_PRESERVE_CURVATUREParameter: Tension
MDATA_KNIFEPATH_PRESERVE_CURVATURE_TENSIONParameter: Profile
MDATA_KNIFEPATH_SPLINE_USEParameter: Depth
MDATA_KNIFEPATH_SPLINE_EXTRUSIONParameter: MDATA_KNIFEPATH_SPLINE
MDATA_KNIFEPATH_SPLINE