The most smooth way to onboard new partners is by reusing an already existing format made available by your own developer or by a Bizbrains developer..
As mentioned in Points to get clarified with new partners
First step to achieve this is to make sure that you know the available formats (e.g. Edifact ORDERS D96A, Edifact INVOIC D96APEPPOL, your own Custom XML) and which information you receive and send in these formats.
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