From Runes of Magic Wiki - The Runes of Magic
Sol.config.CreateSlashToHandleConfig = function(addonName, frame, command)
Creates a slash chat command for your addon that will open/close
your config pages.
Parameters:
+ addonName - Your addon's name
+ frame - Your config frame
+ command - The shorthand command you want to use. A command for
/<addonName> is automatically created, so this can be nil.
POST: entering /<addonName> and/or /<command> will open your config
frame if it's closed and close it if it's open.