Canned Response HTML for Document Transmission

I have seen LivePerson use a canned response that creates a browse functionality to enable visitors to transmit files across the chat to operators.  I chatted with LivePerson support and they advised me that they would not share the HTML since it is not secure.  I am interested in using this feature for internal to internal chat, so I am not worried about the security of it.

Can someone please provide me the HTML so that visitors can upload and transmit a document across the chat to the operator?

I did find:

http://base.liveperson.net/hc/s-5296924/cmd/kbresource/kb-2245836716877267487/view_question!PAGETYPE?sq=files&sc=4582&sf=101113&sg=2&st=598182&documentid=350593&action=view#

However, I do not have a LivePerson Contact Center account, but an Enterprise/Premier account...