 I need to use a skroutz xml plugin for Prestashop version 1.7.8.8 can you generate the code with the following requirements and can you make a user interface too: Clearly defines the document's encoding
Includes document's creation date
XML validates according to standards (you can check your XML's validity here)
Doesn't repeat the same products more than once (see Unique ID)
Includes V.A.T. in prices