Hello sljonas,
As Fusion is a web based application, you need to find a way to get a connection into your file server environment.
There are different approaches on how to do this, depending on what your file server is based on.
You could probably use the SSH module to run a shell script on your server. Perhaps talking to a webhook on your server could be a possibility. But all depends on what system Fusion should talk to.
Regards
Lars