# File lib/chef_zero/endpoints/node_endpoint.rb, line 9
      def put(request)
        data = parse_json(request.body)

        if data.has_key?("policy_name") && policy_name_invalid?(data["policy_name"])
          return error(400, "Field 'policy_name' invalid", :pretty => false)
        end

        if data.has_key?("policy_group") && policy_name_invalid?(data["policy_group"])
          return error(400, "Field 'policy_group' invalid", :pretty => false)
        end

        super(request)
      end