
More information about how to create explicit enhancement options: Explicit Enhancement Options in ABAP Source Code.
To exit the enhance mode, choose the Display <-> Changepushbutton.
The Select or Create Enhancement Implementation dialog box appears. You can choose an existing implementation or create a new one.
ENHANCEMENT id.
...
ENDENHANCEMENT.
A source code plug-in is assigned to exactly one enhancement option (the container) but an enhancement option can be enhanced through several source code plug-ins.
Although source code plug-ins are displayed in the same source code as the respective enhancement options, they are stored in other include programs managed by the Enhancement Builder.