Getting .xdd file for X20 modules under powerlink for 3rd party device

please, how can I generate .xdd file for X20 modules in AS. Customer would like to use this file to connect our X20 modules to 3rd party devices. He wants to do it using powerlink.
Thanks a lot for some hints.

you can download it on this link:
This package support x20 modules by description.

Thanks a lot for your help