The set of information you need to generate FM tracking number and bind orders.
The list of order_sn. You can specify up to 50 order_sns in this call. One fm_tn maximum number of total bind orders is 10000.
OptionalregionUse this field to specify the region you want to ship parcel. Available value: CN.
The shipment method for generate and bind orders. Available value: courier_delivery.
Parameters for generate_and_bind_first_mile_tracking_number