Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Scale Project...
DOCUMENT_SCALEDOCUMENT
Parameter: FPS
DOCUMENT_FPS
Parameter: Project Time
DOCUMENT_TIME
Parameter: Minimum Time
DOCUMENT_MINTIME
Parameter: Maximum Time
DOCUMENT_MAXTIME
Parameter: Preview Min Time
DOCUMENT_LOOPMINTIME
Parameter: Preview Max Time
DOCUMENT_LOOPMAXTIME
Parameter: Level of Detail
DOCUMENT_LOD
Parameter: Use Render LOD for Editor Rendering
DOCUMENT_RENDERLOD
Parameter: Use Animation
DOCUMENT_USEANIMATION
Parameter: Use Expression
DOCUMENT_USEEXPRESSIONS
Parameter: Use Generators
DOCUMENT_USEGENERATORS
Parameter: Use Deformers
DOCUMENT_USEDEFORMERS
Parameter: Use Motion System
DOCUMENT_USEMOTIONSYSTEM
Parameter: Default Object Color
DOCUMENT_DEFAULTMATERIAL_TYPE
Parameter: Color
DOCUMENT_DEFAULTMATERIAL_COLOR
Parameter: View Clipping
DOCUMENT_CLIPPING_PRESET
Parameter: Near
DOCUMENT_CLIPPING_PRESET_NEAR
Parameter: Far
DOCUMENT_CLIPPING_PRESET_FAR
Parameter: Linear Workflow
DOCUMENT_LINEARWORKFLOW
Parameter: Input Color Profile
DOCUMENT_COLORPROFILE
Parameter: DOCUMENT_COLORINFO
DOCUMENT_COLORINFO
Parameter: Use Color Channel for Node Material
DOCUMENT_CONVERT_BXDF_TO_COLORCHANNEL
Parameter: Load Preset...
DOCUMENT_PRESET_COMMAND_LOAD
Parameter: Save Preset...
DOCUMENT_PRESET_COMMAND_SAVE
Parameter: Save Polygon Cache
DOCUMENT_CINEWARE_POLYGON_CACHE
Parameter: Save Animation Cache
DOCUMENT_CINEWARE_ANIMATION_CACHE
Parameter: Save Material Cache
DOCUMENT_CINEWARE_MATERIAL_CACHE
Parameter: Width
DOCUMENT_CINEWARE_MATERIAL_WIDTH
Parameter: Height
DOCUMENT_CINEWARE_MATERIAL_HEIGHT
Parameter: Format
DOCUMENT_CINEWARE_MATERIAL_FORMAT
Parameter: Depth
DOCUMENT_CINEWARE_MATERIAL_DEPTH
Parameter: Author
DOCUMENT_INFO_AUTHOR
Parameter: Copyright
DOCUMENT_INFO_COPYRIGHT
Parameter: Info
DOCUMENT_INFO_README
Parameter: Created by (Software)
DOCUMENT_INFO_PRGCREATOR_NAME
Parameter: Created by (Software)
DOCUMENT_INFO_PRGCREATOR_ID
Parameter: Saved by (Software)
DOCUMENT_INFO_PRGWRITER_NAME
Parameter: Saved by (Software)
DOCUMENT_INFO_PRGWRITER_ID
Parameter: Project Path
DOCUMENT_PATH
Parameter: Project Name
DOCUMENT_NAME
Parameter: File Path
DOCUMENT_FILEPATH
Parameter: Preview Image
DOCUMENT_PREVIEW_IMAGE
Parameter: Preview Command
DOCUMENT_PREVIEW_COMMAND