If you want students to submit a video as part of an assignment submission follow the steps outlined below.
To submit a video to a Canvas assignment:
1) Create Your Video
There are several options students can use to create videos. Read the Options to Create a Video for a Discussion article for more information.
2) Open Your Assignment
You can access your assignment by your "to-do" list, a course content page, the module list or in the Course Navigation and clicking the Assignments tool link.
3) Submit Assignment
To submit an assignment, click the Submit Assignment button.
4) Find Your Video
Locate the Embed Kaltura Media icon in the rich text editor tool bar. Click this icon to open a view of your My Media interface.
5) Add Your Video
Find your video in the interface. When you find it, click the Select button next to the video.
6) View Submission
The Sidebar displays information about your submission including date and time. If allowed by your instructor, you may choose to resubmit another version of your assignment by clicking the Re-Submit Assignment button. You will only be able to view the details of your most recent submission in the Sidebar, but your instructor will be able to see all of your submissions.