How to add custom table fields in Additional Tab B in VA01.

Hi friends,

I tried to add custom fields by Program SAPMV45A in screen 8309, but its asking for access key , so i tried to find alternative solution by BADI name 'BADI_SLS_ITEM_SCR_CUS' when I entered this badi name in SE 18 then its giving message badi is not exit with this name..

Could you suggest me any other way, how to add fields in Additional Tab B ?

Thanks

sandeep