Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Boolean Type
BOOLEOBJECT_TYPE
Parameter: High Quality
BOOLEOBJECT_HIGHQUALITY
Parameter: Create single object
BOOLEOBJECT_SINGLE_OBJECT
Parameter: Hide new edges
BOOLEOBJECT_HIDE_NEW_EDGES
Parameter: Create Phong breaks at intersections
BOOLEOBJECT_BREAK_CUT_EDGES
Parameter: Select intersections
BOOLEOBJECT_SEL_CUT_EDGES
Parameter: Optimize Points
BOOLEOBJECT_OPTIMIZE_LEVEL