There isn't any simple manner of limiting a bot to at least one channel solely. Some bots similar to Lawliet might make use of whitelist command to restrict themselves to at least one channel solely. But a majority of bots may be accessed from any channel as soon as added to the server. If you need to restrict a bot to at least one channel, it's worthwhile to modify permissions for all different channels. This might change into tedious when you have massive variety of channels in your server. Do a proper click on on a channel title and choose Edit ChannelSelect Permissions and click on on Advanced permissions.Add a brand new Role and choose your bot title.Under Send Message permission, click on the cross icon to disable it.Select Save adjustments.Repeat for every channel you need to disable the bot for.