Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Clones
MDATA_CLONE_CNT
Parameter: Offset
MDATA_CLONE_OFFSET
Parameter: Holes
MDATA_CLONE_HOLES
Parameter: Scale
MDATA_CLONE_SCALE
Parameter: Axis
MDATA_CLONE_AXIS
Parameter: Rotation
MDATA_CLONE_ROTATION
Parameter: Move Var.
MDATA_CLONE_LOCALMOVE
Parameter: Scale Var.
MDATA_CLONE_LOCALSCALE
Parameter: Rot. Var.
MDATA_CLONE_LOCALROTATE
Parameter: Uniform Scale
MDATA_CLONE_KEEPFORM