Most used SAP extensions and their components

CUST1	MENUS000+C01	Customer option in the Office menu
CUST2	MENUS000+C02	Customer option in the Logistics menu
CUST3	MENUS000+C03	Customer option in the Accounting menu
CUST4	MENUS000+C04	Customer option in the Human Resources menu
CUST5	MENUS000+C05	Customer option in the Information Systems menu
CUST6	MENUS000+C06	Customer option in the Tools menu
CUST7	MENUS000+C07	Customer option in the System menu
ZXUSRU01	Exit_saplsusf_001	At login time
SAPMF02D	Exit_sapmf02d_001	When saving customer master data
SAPMF02K	Exit_sapmf02k_001	When saving vendor master data
M61X0001	Exit_saplm61c_001	When processing MRP planning
M61X0001	Exit_sapmm61x_001	When processing MRP planning
FYTX0001	Exit_saplv61a_001	Modifications in pricing procedures
MBCF0002	Exit_sapmm07m_001	Checks for materials documents
SDVFX002	Exit_saplv60b_002	Link between SD and FI documents
M06B0003	Exit_sapmm06b_001	When saving MM documents