Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Scale Project...
DOCUMENT_SCALEDOCUMENTParameter: FPS
DOCUMENT_FPSParameter: Project Time
DOCUMENT_TIMEParameter: Minimum Time
DOCUMENT_MINTIMEParameter: Maximum Time
DOCUMENT_MAXTIMEParameter: Preview Min Time
DOCUMENT_LOOPMINTIMEParameter: Preview Max Time
DOCUMENT_LOOPMAXTIMEParameter: Level of Detail
DOCUMENT_LODParameter: Use Render LOD for Editor Rendering
DOCUMENT_RENDERLODParameter: Use Animation
DOCUMENT_USEANIMATIONParameter: Use Expression
DOCUMENT_USEEXPRESSIONSParameter: Use Generators
DOCUMENT_USEGENERATORSParameter: Use Deformers
DOCUMENT_USEDEFORMERSParameter: Use Motion System
DOCUMENT_USEMOTIONSYSTEMParameter: Default Object Color
DOCUMENT_DEFAULTMATERIAL_TYPEParameter: Color
DOCUMENT_DEFAULTMATERIAL_COLORParameter: View Clipping
DOCUMENT_CLIPPING_PRESETParameter: Near
DOCUMENT_CLIPPING_PRESET_NEARParameter: Far
DOCUMENT_CLIPPING_PRESET_FARParameter: Linear Workflow
DOCUMENT_LINEARWORKFLOWParameter: Input Color Profile
DOCUMENT_COLORPROFILEParameter: DOCUMENT_COLORINFO
DOCUMENT_COLORINFOParameter: Use Color Channel for Node Material
DOCUMENT_CONVERT_BXDF_TO_COLORCHANNELParameter: Load Preset...
DOCUMENT_PRESET_COMMAND_LOADParameter: Save Preset...
DOCUMENT_PRESET_COMMAND_SAVEParameter: Save Polygon Cache
DOCUMENT_CINEWARE_POLYGON_CACHEParameter: Save Animation Cache
DOCUMENT_CINEWARE_ANIMATION_CACHEParameter: Save Material Cache
DOCUMENT_CINEWARE_MATERIAL_CACHEParameter: Width
DOCUMENT_CINEWARE_MATERIAL_WIDTHParameter: Height
DOCUMENT_CINEWARE_MATERIAL_HEIGHTParameter: Format
DOCUMENT_CINEWARE_MATERIAL_FORMATParameter: Depth
DOCUMENT_CINEWARE_MATERIAL_DEPTHParameter: Author
DOCUMENT_INFO_AUTHORParameter: Copyright
DOCUMENT_INFO_COPYRIGHTParameter: Info
DOCUMENT_INFO_READMEParameter: Created by (Software)
DOCUMENT_INFO_PRGCREATOR_NAMEParameter: Created by (Software)
DOCUMENT_INFO_PRGCREATOR_IDParameter: Saved by (Software)
DOCUMENT_INFO_PRGWRITER_NAMEParameter: Saved by (Software)
DOCUMENT_INFO_PRGWRITER_IDParameter: Project Path
DOCUMENT_PATHParameter: Project Name
DOCUMENT_NAMEParameter: File Path
DOCUMENT_FILEPATHParameter: Preview Image
DOCUMENT_PREVIEW_IMAGEParameter: Preview Command
DOCUMENT_PREVIEW_COMMAND