Here we would like to draw your attention to SU01_NAV transaction code in SAP. As we know it is being used in the SAP BC-SEC (Security in Basis) component which is coming under BC module (BASIS).SU01_NAV is a transaction code used for User maint. to include in navigation in SAP.
It comes under the package SUSR.When we execute this transaction code, SAPMSUU0 is the normal standard SAP program that is being executed in background.
Transaction SU01_NAV technical data table
|Purpose||User maint. to include in navigation|