Hello,
I have a task to modify a purchase requisition (tcode:me51n) with item category (service) and account assignment (asset services) for filing automatically the asset field (ESKN-ANLN1) based on specific service-activity number (ESLL-SRVPOS). These fields are at items details screen and asset number at account assignment tab.

Until now I have achieved to link an asset with specific service in service master through classification. This information is stored at AUSP. Also, I am taking the activity number using a field symbol and asset number with select from AUSP. The problem is that the asset value doesn’t have an export at screen. I have tried user exits EXIT_SAPLMLSK_001 from enhancement SRVESLL, exits from enhancement mereq001 and the exit EXIT_SAPLKACB_002 from ACCOBL01 and also the badi ME_PROCESS_REQ_CUST, but I couldn’t achieve to pass the asset number as export to screen .
Could any expert help me to this 😕?
Thanks a lot