Begin by clicking on the assignment you'd like to submit. On the right side of the screen scroll down to the "Record Video" link and click it.

NOTE: to upload a previously recorded video use the "Drop files, or click to browse" under the "Record Video" button.

Once you are finished recording your video click the blue "Add" button.

Click "Add" one more time and your video file will attach. Finally, click on the blue "Submit" button.