Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Name
ID_POINTCREATOR_CREATEPOINTSNAMEParameter: Distribution Type
ID_POINTCREATOR_CREATEPOINTSDISTRIBUTIONParameter: Standard Deviation
ID_POINTCREATOR_CREATEPOINTSNORMAL_STANDARDDEVIATIONParameter: X-Axis Affection
ID_POINTCREATOR_CREATEPOINTSEXPONENTIAL_XParameter: Y-Axis Affection
ID_POINTCREATOR_CREATEPOINTSEXPONENTIAL_YParameter: Z-Axis Affection
ID_POINTCREATOR_CREATEPOINTSEXPONENTIAL_ZParameter: Point Amount
ID_POINTCREATOR_CREATEDPOINTAMOUNTParameter: Seed
ID_POINTCREATOR_CREATEPOINTSSEEDParameter: Inside
ID_POINTCREATOR_CREATEPOINTS_ONLY_INSIDEParameter: High Quality
ID_POINTCREATOR_CREATEPOINTS_ONLY_INSIDE_HIGH_QUALITYParameter: Create Points Per Object
ID_POINTCREATOR_CREATEPOINTS_PEROBJECTParameter: P
ID_POINTCREATOR_CREATEPOINTS_TRANSLATEParameter: R
ID_POINTCREATOR_CREATEPOINTS_ROTATEParameter: S
ID_POINTCREATOR_CREATEPOINTS_SCALEParameter: Name
ID_POINTCREATOR_SHADERNAMEParameter: Channel
ID_POINTCREATOR_SHADER_CHANNELSELECTParameter: Material Tag
ID_POINTCREATOR_SHADER_MATERIALTAGParameter: Shader
ID_POINTCREATOR_SHADER_SHADERParameter: Sample Mode
ID_POINTCREATOR_SHADER_SAMPLEMODEParameter: Point Amount
ID_POINTCREATOR_SHADERSAMPLEAMOUNTParameter: Sample Precision
ID_POINTCREATOR_SHADERSAMPLEDENSITYParameter: Seed
ID_POINTCREATOR_SHADERSAMPLESEEDParameter: Sample Depth
ID_POINTCREATOR_SHADERSAMPLESAMPLEDEPTHParameter: Create Points Per Object
ID_POINTCREATOR_SHADER_PEROBJECTParameter: Offset U
ID_POINTCREATOR_SHADER_TEXTAG_OFFSETXParameter: Offset V
ID_POINTCREATOR_SHADER_TEXTAG_OFFSETYParameter: Length U
ID_POINTCREATOR_SHADER_TEXTAG_LENGTHXParameter: Length V
ID_POINTCREATOR_SHADER_TEXTAG_LENGTHYParameter: Tile
ID_POINTCREATOR_SHADER_TEXTAG_TILEParameter: Use
ID_POINTCREATOR_SHADER_USEParameter: Invert Alpha
ID_POINTCREATOR_SHADER_INVERTALPHA