function GetDocumentSender(name : String) : IHL7ConnectDocumentTransferIn;
Create a COM interface on which you can send documents to HL7Connect.
The name provided must be the name of an incoming CDA interface that is defined as a COM interface, configured to be externally driven.
The function returns an interface that can be used to send documents to HL7Connect. You can send either a fully populated doc object or a binary stream of data that is the source of the document.