Italian E-Invoice XML import / export

Hi, is there anybody in the community that is familiar with the management of the Italian electronic invoices ? In the project that I would like to start, I need to:

-) import the Italian standard xml e-invoices files received from the National Exchange System (via API or scheduled SFTP), parse the content and save the information in my database;

-) issue new sales invoices, save the data, create the Italian standard xml files and send files via API to one of the several private hub available in the market (that will take care of the final delivery to the National Exchange System).

I don’t know if it is possible in Wappler to add some external code, but in GitHub there is a PHP package available for the whole e-invoice management (click here)

Any advice about what I should do to achieve this goal is very much appreciated. Thanks