When in doubt, check the object browser: Press ALt+F11 to open the VBA
environment in Outlook, then press F2. The method you're looking for is
MailItem.Attachments.Add

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> I want to attach supporting documentation (including
> pictures) to a custom form but can't decipher the book to
[quoted text clipped - 4 lines]
>
> I would appreciate any insight anyone could provide.