I have delivered a Webinar on Salesofrce integration with Box.com, Docusign and Quickbooks. Refer to the below links which gives in detail explanation. In case of any queries, shoot a email to me directly. https://www.youtube.com/watch?v=OGydG6yBkcs http://www.slideshare.net/SaxonGlobal1NC/salesforce-integration-with-boxcom-docusign-quickbooks-made-easy