Below are the link for FTP Attachments User Guides:
You can download the Customization guides (User Manuals) from the following link.
- For versions upto 4.15.11:
- For versions 5.0.1 and above(Lightning ready):
You can download the API user guide from the following link.
Sample code can be downloaded from following link-
ws.net/docs/FTP Attachments Customization Guide 5.x+.pdf