AX for Retails 2009 Adding Custom Fields into POS

Dear All,

Can we add the custom fields into POS on AX 2009.

if yes can anyone please let me know how to?

Please share me if you have any documents or links related to POS customization in AX 2009.

Regards

Shreedhara

Here is information for the 2012 release:

http://blogs.msdn.com/b/axsupport/archive/2012/08/06/retail-2012-working-with-custom-fields.aspx