Download your class roster from myUCF: log in to the portal, click on "Faculty/Advisor Self Service" near the top left, and click on "Instructors."
Next, select "View My Teaching Schedule." The three-colored people icon can be clicked to view the roster, and if you wish to download to Excel, that link is near the top-right of the roster. You may have to hold the CTRL button on your keyboard as you click the link to download (if that fails, you might have to configure your browser to allow popups at the my.ucf.edu domain).
If your PID is not yet set up or a course is listed with "STAFF" as the instructor rather than your name, you may have to ask someone in your department to print the roster for you. You might instead request that someone in your department change the database so that you are listed as the instructor of record, and can get your own roster. It may also be necessary to have Computer Services change your permissions in PeopleSoft to the 'instructor role' - if so, email srsecure@mail.ucf.edu.
Note: some instructors set up electronic gradebooks in Excel as soon as they have their rosters. To avoid complications from late adds and drops, it's better to wait until the second week of class to create an electronic gradebook.