Create a custom field that will source the PO # from Sales Order to Item Fulfillment. create a custom field for PO # in IF. Go to Customization > List, Records & Fields > Transaction Body Fields > New1. Give Label: PO #2. Type: Free-Form Text3. Store Value: F4. Applies To: Item Fulfillment5. Display Type: DisabledIn Source and Filtering TabSource List: Created FromSource From: PO/Check #