Hi Novice ,
If you are refering to the Bex vaiables , this is the procedure .
1. Tcode --CMOD
2. Give the project name
3. select components ( radio button )
4. click on display
5. Double click on Function exit -- EXIT_SAPLRRS0_001
6. Double click on Include -- zxrsru01
Alternatively
Se38 --> zxrsru01
Hope it helps,
Sudhir