Click 'Add New'.
If your video is already uploaded to Mediasite, scroll down to find your video in the Search Results and [skip to step 8](https://scribehow.com/viewer/How_to_submit_a_Mediasite_Video_Assignment_in_Canvas__AvZcNeLvQbKfMGLKrCRXtA?scrollToActionId=5bc1d0f8).