# File lib/apipie/application.rb, line 26
    def define_method_description(controller, method_name)
      # create new or get existing api
      resource_name = get_resource_name(controller)
      key = [resource_name, method_name].join('#')
      # add method description key to resource description
      resource = define_resource_description(controller)

      method_description = Apipie::MethodDescription.new(method_name, resource, self)

      @method_descriptions[key] ||= method_description

      @method_descriptions[key]
    end