author() is a method that authors and saves files.
author(x, ...)
Either a model module (an instance of a class that inherits from Ready4Module) or submodule (any S3 class instance) of the same class as that supplied to the method or no return value (when called for side-effects only).
A model module (an instance of a class that inherits from Ready4Module) or submodule (any S3 class instance)
Additional arguments