For delivery order, you can update order with shipment info.
1. go to a fulfilment order
2. choose items
3. click status 'Ready to Ship'
4. choose 'courier company'
5. If you choose 'Other', you can input the courier name and the tracking code
6. the order will be updated with shipping information.
Note: in cases such as SF express which integration is possible, waybill creation can be triggered. No need to copy waybill number.