If you ever want to enable a password for your event, so that people are required to enter a password in order to enter the event watch room, it's super easy to do so. Simply go to your event's settings and find the "Password" section.
Then click on the "Edit" button. From there, you can enable or disable password protection for your event. You can also enter in the password you want people to use in order to enter your event's watch room.
Once you've set your desired password settings, simply save your event and you're done!