This is intended for University of Waterloo's Quest page. Feel free to modify it to your own needs.
Instructions: Login to Quest and add your course in the Enroll section to your shopping cart. Make sure it is the only course in the shopping cart! Then fill in all the text boxes and navigate to the main Enroll -> Add page. Afterwards, click Activate and it should automatically check the page and refresh and email you when the course is found to be open.