Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See page_maxonapi_getting_started_foundations_cinema_parameters.
Parameter: MDATA_SCULPTBRUSH_SETTINGS_DRAWMODE
MDATA_SCULPTBRUSH_SETTINGS_DRAWMODE
Parameter: MDATA_SCULPTBRUSH_SETTINGS_INVERT
MDATA_SCULPTBRUSH_SETTINGS_INVERT
Parameter: Pinch
MDATA_SCULPTBRUSH_KNIFE_PINCH
Parameter: Push
MDATA_SCULPTBRUSH_KNIFE_PUSH