If the Team Captain did not set a team password when the team was created, they can assign a password to control who joins their team. The Team Captain must be sure to give the password to desired team members because  participants will not be able to join the team without it.
  1. The Team Captain would log into the Participant Center
  2. Select the Team Page tab
  3. Scroll to the bottom of the page to find the Password field
  4. Click Edit
  5. Enter the desired Password
  6. Click Update