| 1. Go To SAP R/3 TCODE-RSA6 |
| 2. Open the SAP R/3 Tab & select the module & the masterdata extractor name for ex.MM -> MM-IO ->0VENDOR_ATTR |
| 3. Double click on it. It will show you the extract structure name under "ExtractStru" as BIW_LFA1_S. |
| 4. Double click on it or copy the name & open SE11 & paste the name open the structure. |
| 5. There you can find append structure field name in ZZ. i.e all append structure fields should start with ZZ as prefix. |
| 6. To find the source field you have to go to CMOD. |
| 7. Provide the project name which is created. |
| 8. Then select the "Enhancement components" option. |
| 9. Click on display button. |
| 10. Select the function exits "Exit_SAPLRSAP_002" it will open the include program "include zxrsau02". |
| 11. Double click on "zxrsau02". |
| 12.You will find the case program with datasource name. |
| 13.Choose your master datasource & check the table names & the logic. |