setting maximum limit to conditions
i have a query , there is a requirment where in i need to assign to a conditon type in pricing procedure i.e discount condtion type
maximum limit . where in if a user gives 20% or less than 20% any amount in discount it should accept and if he gives more than 20% discount the sytem should not accpet
maximum discount should be 20%
is there any way
this condition is given manually . each time when the order is processed . if we give in upper limit and in lower limit in the additional data. in condition record ? will it solve the problem ?
pls give suggestions