```ruby
require "cerego_view_models/version"
require 'view_model'

module CeregoViewModels
end
```

Add a hook for Rails controllers to define a render method for view models
user
```ruby
require "cerego_view_models/version"
require 'view_model'

module CeregoViewModels
  # expects a class that defines a "render" method
  # accepting json as a key like ActionController::Base
  # defines klass#render_view_model on the class
  def self.renderable!(klass)
    klass.class_eval do
      def render_viewmodel(viewmodel, options = {})
        response = Jbuilder.encode do |json|
          ViewModel.serialize(viewmodel, json, options)
        end

        render(json: response)
      end
    end
  end
end
```
assistant