if partNumberMarker, err = strconv.Atoi(values.Get("part-number-marker")); err != nil {
			errCode = ErrInvalidPartNumberMarker
			return uploadID, partNumberMarker, maxParts, encodingType, errCode
		}
	}

	uploadID = values.Get("uploadId")
	encodingType = values.Get("encoding-type")
	return uploadID, partNumberMarker, maxParts, encodingType, errCode

///

### Multiple File Uploads with Additional Metadata { #multiple-file-uploads-with-additional-metadata }

And the same way as before, you can use `File()` to set additional parameters, even for `UploadFile`:

{* ../../docs_src/request_files/tutorial003_an_py39.py hl[11,18:20] *}

## Recap { #recap }

import org.lastaflute.web.validation.Required;

/**
 * Form class for backup file upload.
 * This form handles file uploads for backup and restore operations.
 */
public class UploadForm {

    /**
     * The backup file to be uploaded.
     */
    @Required
    public MultipartFormFile bulkFile;

    /**
     * Default constructor for UploadForm.
     */
    public UploadForm() {

	if err != nil {
		t.Fatal(err)
	}

	// Upload a part
	partData := bytes.Repeat([]byte("a"), 5*humanize.MiByte)
	md5Hex := getMD5Hash(partData)
	_, err = obj.PutObjectPart(ctx, bucket, object, res.UploadID, 1,
		mustGetPutObjReader(t, bytes.NewReader(partData), int64(len(partData)), md5Hex, ""),
		ObjectOptions{})
	if err != nil {
		t.Fatal(err)
	}

	// Now simulate read quorum failure

	if err != nil {
		return MalformedUploadID{
			UploadID: uploadID,
		}
	}
	return checkObjectArgs(ctx, bucket, object)
}

// Checks for PutObjectPart arguments validity, also validates if bucket exists.
func checkPutObjectPartArgs(ctx context.Context, bucket, object, uploadID string) error {
	return checkMultipartObjectArgs(ctx, bucket, object, uploadID)
}

}

// returns deploymentID from uploadID
func getDeplIDFromUpload(uploadID string) (string, error) {
	uploadBytes, err := base64.RawURLEncoding.DecodeString(uploadID)
	if err != nil {
		return "", fmt.Errorf("error parsing uploadID %s (%w)", uploadID, err)
	}
	slc := strings.SplitN(string(uploadBytes), ".", 2)
	if len(slc) != 2 {
		return "", fmt.Errorf("uploadID %s has incorrect format", uploadID)
	}

e.g., To scan objects stored under `user-uploads/` prefix and remove versions older than one year.

```
{
    "Rules": [
        {
            "ID": "Removing all old versions",
            "Filter": {
                "Prefix": "users-uploads/"
            },
            "NoncurrentVersionExpiration": {
                "NoncurrentDays": 365
            },

	}

	b.RunParallel(func(pb *testing.PB) {
		for pb.Next() {
			req.Form.Get("uploadId")
		}
	})

	// Benchmark ends here. Stop timer.
	b.StopTimer()
}

// BenchmarkURLQuery - benchmark URL memory allocations
func BenchmarkURLQuery(b *testing.B) {
	req, err := http.NewRequest(http.MethodGet, "http://localhost:9000/bucket/name?uploadId=upload&partNumber=1", http.NoBody)
	if err != nil {
		b.Fatal(err)
	}

			t.Errorf("Test %d: Expected %s, got %s", i+1, testCase.uploadID, uploadID)
		}
		if partNumberMarker != testCase.partNumberMarker {
			t.Errorf("Test %d: Expected %d, got %d", i+1, testCase.partNumberMarker, partNumberMarker)
		}
		if maxParts != testCase.maxParts {
			t.Errorf("Test %d: Expected %d, got %d", i+1, testCase.maxParts, maxParts)
		}
		if encodingType != testCase.encodingType {

        listen       9000;
        listen  [::]:9000;
        server_name  localhost;

        # To allow special characters in headers
        ignore_invalid_headers off;
        # Allow any size file to be uploaded.
        # Set to a value such as 1000m; to restrict file size to a specific value
        client_max_body_size 0;
        # To disable buffering
        proxy_buffering off;
        proxy_request_buffering off;