Interface CancelOrderPartialCancelItem

The unique identifier of the item to be partially cancelled.

The unique identifier of the model to be partially cancelled.

The quantity of the specified item model to be cancelled.

The identify of order item. For items in one same bundle deal promotion, the order_item_id should share the same id, such as 1,2. For items not in bundle deal promotion, the order_item_id should be the same as item_id.

The identify of product promotion.It's required for add on deal and bundle deal items.For items in one same add on deal or bundle deal promotion, the promotion_group_id should share the same id. For items not in add on deal or bundle deal promotion, the promotion_group_id should be 0. And the data is from promotion_group_id of v2,order.get_order_detail.