Here we would like to draw your attention to AD20 transaction code in SAP. As we know it is being used in the SAP BC-DWB (ABAP Workbench, Java IDE and Infrastructure in Basis) component which is coming under BC module (BASIS).AD20 is a transaction code used for Search help maintenance (for IMG) in SAP.
It comes under the package SDD.When we execute this transaction code, SAPLSD30 is the normal standard SAP program that is being executed in background.
Transaction AD20 technical data table
|Purpose||Search help maintenance (for IMG)|