| Parameter | Reference | Type | Length | Default | Optional | Text | 
|---|---|---|---|---|---|---|
| CLEAR_BUFFER | C | C | 0 | ' ' | X | |
| I_READ_DB | C | C | 0 | ' ' | X | |
| I_TKONN | TKONN | C | 10 | Trading contract: Trading contract number | 
| Parameter | Reference | Length | Optional | Text | 
|---|---|---|---|---|
| E_T_ERROR | WB2_ERROR | 246 | X | Trading Contract: Error Handling | 
| I_T_KOMEXP | KOMEXP | 623 | X | Trading Contract: IO Structure of Planned Cost | 
| I_T_KOMWBHD | KOMWBHD | 1156 | X | Trading Contract: Communication Structure, Commercial Data | 
| I_T_KOMWBHI | KOMWBHI | 1744 | X | Trading Contract: Communication structure for item data | 
| I_T_KOMWBHK | KOMWBHK | 1539 | X | Trading Contract: Communication structure for header data | 
| I_T_TB2BJ | TB2BJ | 35 | X | Trading Contract: Item Categories | 
| Exception | Text | 
|---|---|
| CALCULATION_ERROR | |
| CUSTOMIZING_ERROR | |
| DISPLAY_ERROR | |
| DOCUMENT_READ_ERROR | 
| Functionality |