Please, wait for a day or two for your attendance to be uploaded to the Link.
If on your home page look under Curriculum Progress for a dropdown menu then select one certificate --> click the workshop that you attended
If somewhere besides your home page, go to My Involvement --> Curriculum Progress --> Select one certificate --> Click the workshop that you attended.
At this moment, you should able to see "Additional Information Required". Click "Additional Information Required", you should able to see questions that you need to be answered and then type your reflection in the box. The final step is to save it. Once you saved, the bar of the selected workshop should be completed.