Click on the My Activities button at the top of PDAT, then click the blue pencil icon to edit the activity:
![CAEN Instructional Technology Walk in Sessions May 2022](https://teamdynamix.umich.edu/TDPortal/Images/Viewer?fileName=bd1304bc-f8f6-44b1-805e-e77f9b8718d6.png)
You can then add individual participants directly in the system or via a CSV file upload. An example template is available when you click Upload Roster for an activity.