User Exit or BTE for AS01/AS11
I have a requirment that i have to validate the typename(TYPBZ) which is in Origin tab in AS01/AS11 .
so while creating the asset or sub asset i need to validate the TYPBZ field depending on some conditions.
Could any body suggest me best way of doing it.Weather i have to use user exit or BTE ? exactly which user exit or BTE i have to use.