By default, the creator of the temporary channel has all permissions over their own channel. If you want to limit them, you can specify a list with the following permissions in the permissions property:
Permission
Description
setName
Allows changing the name of the voice channel.
setBitrate
Allows changing the channel’s bitrate (audio quality).
setNsfw
Allows marking or unmarking the channel as NSFW (adult content).
setUserLimit
Allows setting the maximum number of users who can join the channel.
kickMembers
Allows kicking other users from the temporary voice channel.
blockMembers
Allows blocking access (denying them from joining) to specific users from the channel.