When you add course content, you will see two options:
Start typing your post, you can then add media to your post if you’d like.

You will see the following options as icons:
Once you have created your post, click on the green button to submit. Here is an example of a video that was recorded from within the course.

Content can be edited and deleted. Using the three dots in the top right corner of the content, you can delete content and change the thumbnail for a video.