How to find the code location to change the column heading of an ALV List

ABAP / By
  1. Determine the structure behind the ALV List by right clicking on the ALV List
  2. Determine the Table type for the structure using the Where used option in SAP ABAP
  3. Determin the corresponding Program for the Table type using the Where used option in SAP ABAP (Ctrl+Shift+F3)
  4. Click a particular program in the results list
  5. Click on the Display Object List Icon (Ctrl+Shift+F5)
  6. Click on the corresponding Includes or Function modules or a class in the Tree which appears on the left side of ABAP Editor
  7. Click on the Search glass on top below the menus.
  8. Enter the structure determined in step 1 and click the green check.
  9. Search the Field Catalog in the results list.
  10. Click on the Field Catalog in the Results List.
  11. Change the Column context of the Field Catalog structure.
  12. Save and activate the object