SAP SOURCE CODE ENHANCEMENT

Get Example source ABAP code based on a different SAP table
  SAP Help

ARTICLE

Source Code Enhancements
ABAP source code can be enhanced using source code plug-ins, as part of the ABAP Workbench enhancement concept.
Source code enhancements can be made to

implicit enhancement points or

explicit enhancement points
.
Enhancement implementations are implemented between special statements and are controlled by being associated with switches.