Status of a shipment. Describes a shipment which is:
Working: being entered or updated by the merchant, which
has not yet left the merchant;
Shipped: tracking number entered by the merchant;
InTransit: pickup by carrier;
Delivered: delived by carrier;
CheckedIn: checked in / scanned in Amazon fulfillment center;
Receiving: received at least one item in the shipment by the
Amazon fulfillment center, but not all items have been marked as received;
Closed: all items have been completely received;
Cancelled: merchant cancelled shipment (before or after shipping).
Error: A shipment which was not processed by Amazon correctly.