--- type: object properties: train_item_id: type: integer description: internally assigned train item identifier readOnly: true train_id: type: integer description: internally train identifier item_id: type: integer description: internally item identifier user_train_item_id: type: integer description: internally user train item identifier processing_id: description: internally processing identifier type: integer added_on: description: add date type: - string - "null" attributes: description: attribute list type: - array - "null" catalogue_item: description: catalogue item type: - object - "null" additionalProperties: false