Admin permission is required to view the team code.
Private Team Channels require Admin approval to join. Members can request to join or use the team code to join automatically.
The team admin or members can provide the team code, which can be located following the steps below:
Log in to the website.
From the left navigation menu, click Invite.
Click Invite Team Members.
The invitation URL and Team Code display.
Once the code is available, join the private channel following these steps.