To participate in an ongoing course discussion, you can reply to an existing post by adding a response, or expand on a particular response by adding a comment.
The same options for formatting the text and for adding links or images are available for responses and comments as for posts. For more information, see Adding posts in a discussion.
Add a response or comment on the discussion page #
You can add a response or comment to course-wide or content-specific discussion topics on the Discussion page.
On the Discussion page, find the post that you want to contribute to. To help you decide where to add your thoughts, review the current responses and their comments.
- To add a response to the post, select Add A Response. When you have finished entering your response, select Submit.

- To add a comment to a response, move your cursor inside the Add a comment field below the response. When you have finished entering your comment, select Submit.

Add a response or comment in a course unit #
You can add a response or comment to a content-specific discussion topic inside the course.
- In the unit that contains the discussion topic where you want to make your contribution, scroll to the discussion.
- Select the post that you want to contribute to. To help you decide where to add your thoughts, review the current responses and their comments.
- Add a response or comment.
- To add a response to the post, select Add A Response. When your response is complete, select Submit.
- To add a comment to a response, select inside the Add a comment field below the response. When your comment is complete, select Submit.