Adding the serial number to the invoice:

 

When the warehouse provides us with the serial number that they shipped, we will need to add it to each invoice.  Click “Add Item”  

 

Use the following nomenclature:

 

Name:  Deluxe Knee Walker Serial Number

Item/SKU:  T19-006197

Price:  0

Set Variations:

SN            T19-006197

 

Click “Save Item” and it will look like this.