When you follow a private channel, a request is sent to the team Admin, who is notified of the request and will approve or deny it.
On the Browser:
You can request to join or enter the Team Code to follow a private channel.
Log in to the website.
Enter the team, channel, or event name using the search bar at the top of the page.
Click the team name. From here, you may:
Click Request to Follow, and a Requested button appears.
Click Enter Team Code, enter the code, and click Submit.
To cancel the request, click Requested > Leave Channel.
On the App:
Log in to the app.
Tap My Streams.
Enter the channel name using the search bar at the top.
Tap Follow.