--- id: SN1 name: Item Detail (Shipment) purpose: To specify line-item detail relative to shipment. elements: - { ref: SN101, id: '350', req: O } - { ref: SN102, id: '382', req: M } - { ref: SN103, id: '355', req: M } - { ref: SN104, id: '646', req: O } - { ref: SN105, id: '330', req: X } - { ref: SN106, id: '355', req: X }