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: Guide-4.x.pdf
  • For versions 5.0.1 and above(Lightning ready): Guide 5.x+.pdf

You can download the API user guide from the following link.

Sample code can be downloaded from following link- Attachments Customization Guide 5.x+.pdf