Webtrends Analytics 9 Adminstration Guide, November 2012
If you send sales or marketing materials to customers or prospects using email, you can track response rates for such campaigns using an Email Conversion Funnel.
This type of funnel can tell you things like how many customers are reading your email messages, how effective your email campaign was at driving traffic to your website, and how many customers moved directly from reading the email to completing a transaction on the site.
For a commerce site, an email conversion scenario includes the following steps:
Product Page View
Modify the steps in the scenario to match your campaign's call to action. For example, if you are primarily interested in email open rates and high-level conversion rates, you can eliminate Steps 4 and 5.