emailing attachments help please

emailing attachments help please

Hi

Within my form I have a subform that holds uploaded documents, PDF, DOC, JPG doen not matter what format. I do it this way so I can upload multiple files.

What I want to do is send an email from within my form and attach the document stored in the subform. What do I add here

The document subform is called Files

The field within the subform is called Documents

So what do I add, anyone know please

sendmail
(
    To       :  input.Agency_Email 
    From     :  zoho.loginuserid 
    Subject  :  "Message from Signedfast, London" 
    Message  :  input.Email_Message 
)

Thanks