...
To access the Poll Everywhere link on Blackboard, log in to Blackboard and you will see the Poll Everywhere link under Course Content within the Content section.
...
Step 2
Click on the blue Continue to developer.blackboard.com button to login.
...
The Participants page shows a complete list of your cohort. Make note of the related course name at the top right-hand side of the page. 
...
Re-Synching (updating) Roster
...
Go to the Participants page and select the LMS Courses link button. The LMS Connections Courses page will showcase a table of courses you have connected to Poll Everywhere. Select the Synch roster button to the selected course on the right-side of the table. 
Click on the course and then turn on the Enable Roster Synch toggle. The Synch Roster button will change from grey to blue; click on the button when it is blue. Once clicked, the Last Roster Synch area will update its date and time when last you click the blue Synch Roster button.
...
...
Related Actions
...