See Related Article: How to Place Trailers in a Feature
1 - Click on PUBLISH in the left navigation bar.
2 - You will see the Features that are ready to have their Trailer Schedules published. Click the box of the Features you are ready to publish.
3 - Click the PUBLISH button in the lower right corner of the screen.
4 - This will bring up a pop-up a Confirmation Screen. You can add any additional information that you want to be at the beginning of the email that will be sent out for the Trailer Placement. 
5 - Click on CONFIRM PUBLISH to finalize the Trailer Placement email to be sent out to the contacts you have set up.
6 - You will see a "success" message if the Trailer Placement email has gone out successfully.
