Customer can add a file to the order?

Customer can add a file to the order?

Hello,
Is it possible to give the customer the option to send a file (PDF, JPG, Doc) in the order Process.
Mayby at the last step. It will be best, if the file can be identified by the order number.
Thanks a lot

Aw: Customer can add a file to the order?

See addon free atribute type.
possible set file for each product.

http://www.webdesigner-profi.de/joomla-webdesign/shop/addons/free-attribute-type.html?lang=en

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Aw: Customer can add a file to the order?

That´s it thanks again :-)