USER EXIT

User-Exits allow you to add own functionality to SAP standard screen without modifying the standard program.
User-exits are generally collected in includes and attached in standard program by SAP.

Finding User Exit

• Go to transaction SE93 and type transaction you want find user exit

          

          Click Display

• Get Package

          

Display logo in ALV

Using Function REUSE_ALV_COMMENTARY_WRITE and EXPORTING I_LOGO to display logo in top of page.

• Go To TCode  OAER to upload image.
• Give Class Name as PICTURES,  Class type as OT and  Object Key as the name of the Object u want to specify

         

• After Execute, double click Screen and choose the logo.