Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Link Size
MDATA_SCULPTBRUSH_SETTINGS_RADIUS_LINKParameter: Keep Visual Size
MDATA_SCULPTBRUSH_SETTINGS_USEZOOMSCALEParameter: Link Strength
MDATA_SCULPTBRUSH_SETTINGS_STRENGTH_LINKParameter: Backface
MDATA_SCULPTBRUSH_SETTINGS_BACKFACEParameter: Link Stencil
MDATA_SCULPTBRUSH_STENCIL_LINKParameter: Preview Mode
MDATA_SCULPTBRUSH_SETTINGS_PREVIEWMODEParameter: Size
MDATA_SCULPTBRUSH_SETTINGS_RADIUSParameter: fx
MDATA_SCULPTBRUSH_SETTINGS_RADIUS_MODParameter: Strength
MDATA_SCULPTBRUSH_SETTINGS_STRENGTHParameter: fx
MDATA_SCULPTBRUSH_SETTINGS_STRENGTH_MODParameter: Falloff
MDATA_SCULPTBRUSH_FALLOFF_SPLINEParameter: \u27F3
MDATA_SCULPTBRUSH_FALLOFF_RESETParameter: Steady Stroke
MDATA_SCULPTBRUSH_SETTINGS_STEADYSTROKEParameter: Length
MDATA_SCULPTBRUSH_SETTINGS_STEADYSTROKE_VALUEParameter: Spacing
MDATA_SCULPTBRUSH_SETTINGS_STAMPSPACINGParameter: Percent
MDATA_SCULPTBRUSH_SETTINGS_STAMPSPACING_VALUEParameter: Edge Detect
MDATA_SCULPTBRUSH_SETTINGS_EDGEParameter: Angle
MDATA_SCULPTBRUSH_SETTINGS_EDGE_ANGLEParameter: Draw Mode
MDATA_SCULPTBRUSH_SETTINGS_DRAWMODEParameter: Fill Symmetry
MDATA_SCULPTBRUSH_SETTINGS_DRAWMODE_FILL_SYMMETRYParameter: Fill Backfaces
MDATA_SCULPTBRUSH_SETTINGS_FILL_BACKFACESParameter: Direction
MDATA_SCULPTBRUSH_SETTINGS_DRAWDIRParameter: Load
MDATA_SCULPTBRUSH_STAMP_LOADPRESETParameter: Save
MDATA_SCULPTBRUSH_STAMP_ADDPRESETParameter: Clear
MDATA_SCULPTBRUSH_STAMP_RESETParameter: Stamp
MDATA_SCULPTBRUSH_STAMPParameter: Image
MDATA_SCULPTBRUSH_STAMP_TEXTUREFILENAMEParameter: Material
MDATA_SCULPTBRUSH_STAMP_MATERIAL_LINKParameter: Rotation
MDATA_SCULPTBRUSH_STAMP_ROTATION_VALUEParameter: fx
MDATA_SCULPTBRUSH_STAMP_ROTATION_VALUE_MODParameter: Flip Symmetry
MDATA_SCULPTBRUSH_STAMP_SYMMETRICALParameter: Flip X
MDATA_SCULPTBRUSH_STAMP_FLIP_XParameter: Flip Y
MDATA_SCULPTBRUSH_STAMP_FLIP_YParameter: Gray Value
MDATA_SCULPTBRUSH_STAMP_MIDVALUEParameter: Follow
MDATA_SCULPTBRUSH_STAMP_FOLLOWParameter: Falloff
MDATA_SCULPTBRUSH_STAMP_USEFALLOFFParameter: Alpha Channel
MDATA_SCULPTBRUSH_STAMP_USEALPHAParameter: Show Depth
MDATA_SCULPTBRUSH_STAMP_SHOWDEPTHParameter: Bilinear
MDATA_SCULPTBRUSH_STAMP_INTERPOLATEParameter: Enclose
MDATA_SCULPTBRUSH_STAMP_ENCLOSEParameter: Load
MDATA_SCULPTBRUSH_STENCIL_LOADPRESETParameter: Save
MDATA_SCULPTBRUSH_STENCIL_ADDPRESETParameter: Clear
MDATA_SCULPTBRUSH_STENCIL_RESETParameter: Stencil
MDATA_SCULPTBRUSH_STENCILParameter: Image
MDATA_SCULPTBRUSH_STENCIL_FILENAMEParameter: Material
MDATA_SCULPTBRUSH_STENCIL_MATERIAL_LINKParameter: Visible
MDATA_SCULPTBRUSH_STENCIL_VISIBLEParameter: Hide During Stroke
MDATA_SCULPTBRUSH_STENCIL_HIDEONSTROKEParameter: Transparency
MDATA_SCULPTBRUSH_STENCIL_TRANSPARENCYParameter: Angle
MDATA_SCULPTBRUSH_STENCIL_ANGLEParameter: Scale
MDATA_SCULPTBRUSH_STENCIL_SCALEParameter: Translate
MDATA_SCULPTBRUSH_STENCIL_TRANSLATEParameter: Tile X
MDATA_SCULPTBRUSH_STENCIL_TILEXParameter: Tile Y
MDATA_SCULPTBRUSH_STENCIL_TILEYParameter: Flip X
MDATA_SCULPTBRUSH_STENCIL_FLIP_XParameter: Flip Y
MDATA_SCULPTBRUSH_STENCIL_FLIP_YParameter: Gray Value
MDATA_SCULPTBRUSH_STENCIL_MIDVALUEParameter: Enable Modifiers
MDATA_SCULPTBRUSH_MODIFIER_ENABLE