Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See page_maxonapi_getting_started_foundations_cinema_parameters.
Parameter: Show in Viewport
FEATHER_OBJECT_SHOW_EDITOR
Parameter: Viewport LOD
FEATHER_OBJECT_EDITOR_LOD
Parameter: Generate
FEATHER_OBJECT_GENERATE
Parameter: Reverse
FEATHER_OBJECT_REVERSE
Parameter: Segments
FEATHER_OBJECT_SEGMENTS
Parameter: Spacing
FEATHER_OBJECT_SPACING
Parameter: Relative Size
FEATHER_OBJECT_RELATIVE
Parameter: Rachis Length
FEATHER_OBJECT_REFERENCE
Parameter: Rachis Radius
FEATHER_OBJECT_RACHIS_RADIUS_BASE
Parameter: Top
FEATHER_OBJECT_RACHIS_RADIUS_TOP
Parameter: Start
FEATHER_OBJECT_BARB_START
Parameter: End
FEATHER_OBJECT_BARB_END
Parameter: Barb Spacing
FEATHER_OBJECT_BARB_SPACING
Parameter: Variation
FEATHER_OBJECT_BARB_SPACING_VAR
Parameter: Barb Count
FEATHER_OBJECT_BARB_COUNT
Parameter: Barb Length
FEATHER_OBJECT_BARB_LENGTH
Parameter: Variation
FEATHER_OBJECT_BARB_LENGTH_VAR
Parameter: Curve (Top)
FEATHER_OBJECT_BARB_Y_DISP_T
Parameter: Variation
FEATHER_OBJECT_BARB_Y_DISP_T_VAR
Parameter: Curve (Base)
FEATHER_OBJECT_BARB_Y_DISP
Parameter: Variation
FEATHER_OBJECT_BARB_Y_DISP_VAR
Parameter: Displace
FEATHER_OBJECT_BARB_Z_DISP
Parameter: Variation
FEATHER_OBJECT_BARB_Z_DISP_VAR
Parameter: Rot Step
FEATHER_OBJECT_RACHIS_ROTATION_DELTA
Parameter: Variation
FEATHER_OBJECT_RACHIS_ROTATION_DELTA_VAR
Parameter: Rotation
FEATHER_OBJECT_RACHIS_ROTATION
Parameter: Variation
FEATHER_OBJECT_RACHIS_ROTATION_VAR
Parameter: Rachis Rot
FEATHER_OBJECT_BARB_ROTATION_Y_VAR
Parameter: Barb Rot
FEATHER_OBJECT_BARB_ROTATION_Z_VAR
Parameter: Gap
FEATHER_OBJECT_BARB_GAPS
Parameter: Variation
FEATHER_OBJECT_BARB_GAPS_VAR
Parameter: Occurrence
FEATHER_OBJECT_BARB_GAPS_OCCUR
Parameter: Left
FEATHER_OBJECT_RACHIS_LEFT
Parameter: Right
FEATHER_OBJECT_RACHIS_RIGHT
Parameter: Left
FEATHER_OBJECT_RACHIS_SECTION_LEFT
Parameter: Right
FEATHER_OBJECT_RACHIS_SECTION_RIGHT
Parameter: Left
FEATHER_OBJECT_RACHIS_CURVE_LEFT
Parameter: Right
FEATHER_OBJECT_RACHIS_CURVE_RIGHT