Send stored attachment

I have the need to send emails with attachments stored in Cuba and whose reference is using FileDescriptor. How can I attach those files? or at least know the route to send it.

Any idea how to do it?

This is the only thing I can identify from the application
image

Regards,

Nelson F.

Hi.
Please, look at this topic: Sending attachment to the e-mail - #3 от пользователя krivopustov - CUBA.Platform
Here you can find the small sample project.