Solution : https://service.sap.com/sap/support/notes/484692 (SAP Service marketplace login required)
Key words :
terms delivery_date po, import parameter poitemx, import parameter poschedulex, existing purchase order, send delivery date, purchase order, poitem / poitemx, send material, delivery date, poschedule / poschedulex
Related Notes :
| 582221 | FAQ: BAPIs for purchase orders |