Livestream allows Enterprise customers to set a single password for any event on their account, allowing only desired viewers to see the event.
To do this, navigate to the event you would like to password protect and click the Editor icon.
Navigate to 'Privacy.'
Check 'Protect my event with a password.'
Type in a password in the text field that appears, then save your settings.
Now when a viewer goes to your event page, they will be prompted to enter a password. They cannot access your event until they enter the password your set for this event.