Specifies constants that define a tracking method.
|Affiliate||The transaction was created by an affiliate.|
|Clickless||The visitor was tracked without a click or impression.|
|Cookie||The visitor was tracked using a browser cookie.|
|Manual||The transaction was manually entered into the system.|
|Mobile App||The transaction was tracked in a mobile app.|
|Server||The transaction tracked using server-to-server tracking.|
|Other||The visitor was tracked using other methods.|