Shopify/active_merchant — pull request #825 by duff (2013-08-26 20:08:59+00:00)
Title: SecureNet: Allow some optional fields

Now :invoice_description and :invoice_number can be specified in the
options for a purchase or an authorization and we map :description to
the much larger NOTES field.

http://cl.ly/image/2e360n1g1T21/content.png