This command is used to create a mute role and setup channel permissions. This can be either a new role, or an existing role if provided as argument.
An existing role name can be specified to apply permissions to. If none is specified, a new role is created for this purpose.
This command's level is 100 by default. The bot needs Read Messages, Send Messages, Manage Roles permissions in order to be able to execute this command. It additionally requires permission to Read Messages and Manage Permissions in the channels where you want the mute to be effective in.