1. Enhancement History – User-Exit, Customer-Exit –> BAdI(4.6 이후) –> Enhancement Framework(Netweaver 2004s) 2. SCN Blog. – Part1 : http://scn.sap.com/people/thomas.weiss/blog/2006/01/24/what-the-new-enhancement-framework-is-for-its-basic-structure-and-elements-for-beginners – Part2 : http://scn.sap.com/people/thomas.weiss/blog/2006/03/15/the-new-enhancement-framework-part-2–what-else-you-need-to-know-before-building-an-enhancement – Part3 : http://scn.sap.com/people/thomas.weiss/blog/2006/04/03/how-to-define-a-new-badi-within-the-enhancement-framework–part-3-of-the-series – Part4 : http://scn.sap.com/people/thomas.weiss/blog/2006/04/18/how-to-implement-a-badi-and-how-to-use-a-filter–part-4-of-the-series-on-the-new-enhancement-framework – Part5 : http://scn.sap.com/people/thomas.weiss/blog/2006/05/03/source-code-enhancements–part-5-of-the-series-on-the-new-enhancement-framework 3. The new way to enhance your ABAP systems Document cfile30.uf.23556D45544F4C1E058879.pdf 4. SAP Help – http://help.sap.com/saphelp_erp60_sp/helpdata/en/94/9cdc40132a8531e10000000a1550b0/frameset.htm cfile4.uf.2415713C544F50E11B5A53.pdf