Highlight course and click Open Gradebook

Click on the Sync Scores tab at the top of the new window.

If you have multiple sessions, select which one(s) you want to send to the Sakai Gradebook and then click Next.

You have the choice to upload each session as its own entry OR to upload all sessions as one score.  You can also choose to upload total points, performance points only, participation points only or both participation and performance points as separate entries.  Once you have made your selection, click Upload.

Click Close

Session data may show up as Uncategorized in your Gradebook if you have set your gradebook up with categories.  You can reassign it as necessary.