What is implicit and explicit enhancement and how to identify it?

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Accepted Answer

Implicit and explicit enhancements are ways to modify standard SAP code without modifying it directly.

Implicit enhancements are modifications made to standard SAP code without changing the original code. They are done using predefined hooks in the code.
Explicit enhancements are modifications made to standard SAP code by directly modifying the original code. They are done using custom code.
To identify implicit enhancements, look for predefined function modules or include programs in the standard SAP code. To identify explicit enhancements, look for custom code added to the standard SAP code.
Examples of implicit enhancements include adding custom fields to standard SAP screens or adding custom logic to standard SAP reports. Examples of explicit enhancements include modifying standard SAP function modules or adding custom code to standard SAP classes.

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