Make your voice channel private, preventing anyone from joining you directly.
Creates a "⇩ Join (username)" channel above yours so people can request to join you. When someone joins that channel, The bot will send you a message asking you to approve/deny/block their request.
Note: It's currently not possible to create private channels by default. Read why in the FAQ.
To make your private channel public again, use vc/public.
If you simply want to prevent users from joining you at all, even by request, simply use vc/lock.
vc/private
To make your private channel public again, use vc/public.
The private command performs the following steps:
@everyone role to join your channel.