| Parameter | Reference | Type | Length | Default | Optional | Text |
|---|---|---|---|---|---|---|
| I_MESSAGEID | SYMSGID | C | 20 | Messages, Message Class | ||
| I_MESSAGENO | SYMSGNO | N | 3 | Message text | ||
| I_MESSAGETYPE | CHAR_01 | C | 1 | Character length 1 | ||
| I_PO_ITEM | EBELP | N | 5 | Item Number of Purchasing Document | ||
| I_PO_LONGNUM | /SAPPSPRO/LONGNUM | C | 40 | Long Purchasing Document Number | ||
| I_PO_NUMBER | EBELN | C | 10 | Purchasing Document Number |