custom_method_collection_url

# File activeresource/lib/active_resource/custom_methods.rb, line 80
      def custom_method_collection_url(method_name, options = {})
        prefix_options, query_options = split_options(options)
        "#{prefix(prefix_options)}#{collection_name}/#{method_name}.#{format.extension}#{query_string(query_options)}"
      end