Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Frame Number
PH_SCENE_CAL_CAMERA_ORIENT_FRAME_NUM
Parameter: Axis
PH_SCENE_CAL_CAMERA_ORIENT_AXIS
Parameter: Reverse Axis
PH_SCENE_CAL_CAMERA_ORIENT_FLIP_AXIS