GetOpenTrackingURL()
Use this method to insert the URL of a small image stored on the Web server. When the recipient opens the e-mail, the recipient’s e-mail client retrieves the image, and Outbound E-mail registers the action.
Syntax
Function GetOpenTrackingURL() As String
Example Template code
<img src="[% WriteOut OutboundEmail.GetOpenTrackingURL() %]" alt="tracking image" width="1" height="1">