Add a range Financial dimensions in AX 2012 R2 !!

Hi,

I’m trying to add Range on field Coste Center ( Financial Diemnsions) in Form InventJournalLossProfit , by looking for the methode lookup() and override it , but i wase surprised by , there is no controle in the form , juste a methode :

public void pageActivated()

{

dimensionDefaultingController.pageActivated();

super

();

can Someone help me , to add range in this field .

Thank You for help. [:)]

Best Regards

Taoufiq.