This event can med used to modify the an item lines value for the "Special" field
Example and syntax
function OnIsSpecialProduct(aWrapper:TSalesLineWrapper; aIsSpecialProduct:boolean):boolean;
var
i : integer;
begin
Result := aIsSpecialProduct;
if aWrapper.HasCornerCuts then
Result := True;
for i:=0 to aWrapper.Elementlist.Count - 1 do
if aWrapper.Elementlist.Elements[i].Arced then
Result := True;
end;