You don't need to enter any custom code for Tracking Page. TrackMates will create it for you. Trackmates creates a tracking page for your customer. When your customer receives the tracking notification and status mail for her/his order from TrackMates, They will also receive a tracking link along with it. When they click the link to view the tracking status, They will land to a tracking page which is created by TrackMates. There they will see the tracking details of his/her order.