Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Path to Alembic File
ALEMBIC_MT_PATH
Parameter: ALEMBIC_MT_PATH_STATE
ALEMBIC_MT_PATH_STATE
Parameter: Object Identifier
ALEMBIC_MT_IDENTIFIER
Parameter: ALEMBIC_MT_IDENT_STATE
ALEMBIC_MT_IDENT_STATE
Parameter: Use Animation
ALEMBIC_MT_USE_ANIMATION
Parameter: Frame
ALEMBIC_MT_ANIMATION_FRAME
Parameter: Interpolation
ALEMBIC_MT_INTERPOLATION
Parameter: Offset
ALEMBIC_MT_ANIMATION_OFFSET
Parameter: Mode
ALEMBIC_MT_ANIMATION_MODE
Parameter: Speed
ALEMBIC_MT_ANIMATION_SPEED
Parameter: Reset
ALEMBIC_MT_ANIMATION_RESET
Parameter: Remapping Curve
ALEMBIC_MT_ANIMATION_CURVE
Parameter: Update Transform
ALEMBIC_MT_UPDATE_XFORM
Parameter: Update Geometry
ALEMBIC_MT_UPDATE_GEOMETRY