EventVersion:      "2.0",
		EventSource:       "minio:s3",
		AwsRegion:         args.ReqParams["region"],
		EventTime:         eventTime.Format(event.AMZTimeFormat),
		EventName:         args.EventName,
		UserIdentity:      event.Identity{PrincipalID: args.ReqParams["principalId"]},
		RequestParameters: args.ReqParams,
		ResponseElements:  respElements,
		S3: event.Metadata{
			SchemaVersion:   "1.0",

		Region:    globalSite.Region(),
	})
	if err != nil {
		return levent.Event{}, err
	}

	reqParams := url.Values{}
	if partNumberStr := r.Form.Get("partNumber"); partNumberStr != "" {
		reqParams.Set("partNumber", partNumberStr)
	}
	for k := range supportedHeadGetReqParams {
		if v := r.Form.Get(k); v != "" {
			reqParams.Set(k, v)
		}
	}

	extraHeaders := http.Header{}

	}

	// Set lambda function target via `lambdaArn`
	reqParams := make(url.Values)
	reqParams.Set("lambdaArn", "arn:minio:s3-object-lambda::function:webhook")

	// Generate presigned GET url with lambda function
	presignedURL, err := s3Client.PresignedGetObject(context.Background(), "functionbucket", "testobject", time.Duration(1000)*time.Second, reqParams)
	if err != nil {
		log.Fatalln(err)
	}
	fmt.Println(presignedURL)