Print Item Fulfillment Number in Packing Slips

I.    Createa custom element          
1.    Navigate to Customization > Forms > Transaction Form PDFLayouts.
2.    Click Edit beside the preferred Packing Slip PDF Layout
3.    Click Add Custom Element button.
4.    Select Shipment # in the list from Choose Elements,and then give the element the name Shipment Number.
5.    Click OK.

6.    Click on Shipment # box
7.    Mark the Show on Addl. Pages checkbox under Additional Options.
8.    Click Save.
 
II.   Set the preferred form
9.    Navigate to Customization > Forms > Transaction Forms.
10.   Click Edit beside the preferred Packing Slip form.
11.   Set Printing Type = Basic. Set PDF Layout = Custom PDF Layout created in the step I above.
12.   Click Save.
 
III.  Print Packing Slip
13.   Navigate to Transactions > Management > Print Checks &Forms > Packing Slips and Return Forms
14.   Set Packing Slip Form = Custom Packing Slip created in step II.