## Send Serials to Back Market

We now include [Serial Numbers](/content/help/omnichannel-ecommerce/serial-numbers/#Ship_Inventory_with_Serials/index.html) in the tracking update for [Back Market Orders](/content/help/omnichannel-ecommerce/backmarket-orders-overview/#Order_Download_and_Tracking_Upload/index.html). For this workflow, you must enable the **Enable IMEI# Update On Orders** setting in your integrated company.