The etracker Analytics plugin is available for download here.
More attributes can be added to the tracking code on the configuration page of the plugin:
This can be useful if, for example, you want to use the Ecommerce Grabber or adjustments are to be made for a CMS system. If you want to enter multiple attributes, they have to be separated by semicolons (;). Possible attributes could be e.g.:
Click here for an overview of all CMP systems and their corresponding attributes.