Remote Path Mappings to remote sabnzbd server

I am running sonarr and plex on my windows server. I have decided to move sabnzbd to my qnap so that it does not bog down plex when downloading and extracting files. I need toi know how to set up the Remote Path Mappings to get the file from the qnap when it is finished. remote download location is \\Download\complete Qnap download path is /share/Download/complete. thanks for any help