I'm using the following code to send a Lotus Notes email. I need to add an attachment - what is the syntax for that??

*Create the Notes object
		SESSION=CREATEOBJECT("NOTES.NOTESSESSION")

		m.mailfile=SESSION.GetEnvironmentString("MailFile",.T.)
		m.MailServer=SESSION.GetEnvironmentString("MailServer",.T.)

		DB=SESSION.GetDatabase(M.MailServer,m.mailfile)
		DOC=DB.CreateDocument()
		DOC.FORM="Memo"
		DOC.Subject="Certificate No. "+.txtCertnum.VALUE +;
                "("+.Qdmsbasepgf1.Page1.txtMatl.VALUE+")"
		DOC.Body="Attached is Certificate No. ";
                +.txtCertnum.VALUE +" for "+.txtMatl.VALUE+" as you requested.";
                +CHR(13)+" "+CHR(13)+;
		"If you have any further questions, please contact me at the number listed below."
		DOC.FROM=SESSION.UserName
		DOC.SEND(.F.,recipients)
		DOC.SAVE(.T.,.T.)

Thanks!