1. Start SALE.
2. Create Rule and Save changes
3. Get back and execute Maintain Rules. Press pen to edit rule.
4. Choose relevant field and double click on it. Fill colored fields with values.
5. Create FM CONVERSION_EXIT_YCNVR_INPUT like CONVERSION_EXIT_01TOX_INPUT and release you logic for new value for field.
6. Save all changes get back
7. Execute "Assign rule for message type"
8. Assign rules from sender to receiver system and save all changes
9. Start IDOC generation via PFAL or RE_RHALESMD