### Override the method { #override-the-method }

Now you can replace the `.openapi()` method with your new function.

{* ../../docs_src/extending_openapi/tutorial001.py hl[29] *}

### Check it { #check-it }

            (byte) 38, (byte) 30, (byte) 22, (byte) 14, (byte) 6, (byte) 61, (byte) 53, (byte) 45, (byte) 37, (byte) 29, (byte) 21,
            (byte) 13, (byte) 5, (byte) 60, (byte) 52, (byte) 44, (byte) 36, (byte) 28, (byte) 20, (byte) 12, (byte) 4, (byte) 27,
            (byte) 19, (byte) 11, (byte) 3 };

		globalActiveCred = cfg.Credential
	}

	// Init compression config. For future migration, Compression config needs to be copied over from previous version.
	switch cfg.Version {
	case "29":
		// V29 -> V30
		cfg.Compression.Enabled = false
		cfg.Compression.Extensions = strings.Split(compress.DefaultExtensions, config.ValueSeparator)

        # This is a mapping of name_container_map keys under sigbuild_tf_configs
        # to tag names on gcr.io/tensorflow-sigs/build.
        # TF 2.9
        map sigbuild-r2.9 2.9-python3.9
        map sigbuild-r2.9-python3.8 2.9-python3.8
        map sigbuild-r2.9-python3.9 2.9-python3.9
        map sigbuild-r2.9-python3.10 2.9-python3.10
        # TF 2.10

  count: 46
  avatarUrl: https://avatars.githubusercontent.com/u/11191137?u=299205a95e9b6817a43144a48b643346a5aac5cc&v=4
  url: https://github.com/jaystone776
valentinDruzhinin:
  login: valentinDruzhinin
  count: 29
  avatarUrl: https://avatars.githubusercontent.com/u/12831905?u=aae1ebc675c91e8fa582df4fcc4fc4128106344d&v=4
  url: https://github.com/valentinDruzhinin
ceb10n:
  login: ceb10n
  count: 27

...we do all this in a **single simple line**. 🤯 Don't you love Python? 🐍

{* ../../docs_src/query_params_str_validations/tutorial015_an_py310.py ln[22:30] hl[29] *}

## Recap { #recap }

You can declare additional validations and metadata for your parameters.

Generic validations and metadata:

* `alias`
* `title`
* `description`
* `deprecated`

// of object version count to be included in objects histogram.
var ObjectsVersionCountIntervals = [dataUsageVersionLen]objectHistogramInterval{
	{"UNVERSIONED", 0, 0},
	{"SINGLE_VERSION", 1, 1},
	{"BETWEEN_2_AND_10", 2, 9},
	{"BETWEEN_10_AND_100", 10, 99},
	{"BETWEEN_100_AND_1000", 100, 999},
	{"BETWEEN_1000_AND_10000", 1000, 9999},
	{"GREATER_THAN_10000", 10000, math.MaxInt64},
}

// BucketInfo - represents bucket metadata.

				{Name: "newPrefix0"},
				{Name: "newPrefix1"},
				{Name: "obj0"},
				{Name: "obj1"},
				{Name: "obj2"},
			},
			Prefixes: []string{"newzen/"},
		},
		// ListObjectsResult-29.
		// Marker is set to "Asia/India/Karnataka/Bangalore/Koramangala/pics" in the testCase and delimiter set, (testCase 61).
		29: {
			IsTruncated: false,
			Objects: []ObjectInfo{
				{Name: "newPrefix0"},

	{dataBlocks: 4, onDisks: 8, offDisks: 0, blocksize: int64(blockSizeV2), data: int64(2 * blockSizeV2), offset: 11, length: int64(blockSizeV2) + 2*1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},             // 29

				{
					Object:   objectNames[2],
					UploadID: uploadIDs[6],
				},
				{
					Object:   objectNames[3],
					UploadID: uploadIDs[7],
				},
			},
		},
		// listMultipartResults - 29.
		//  listing with `prefix` "parrot".
		{
			MaxUploads:  100,
			IsTruncated: false,
			Prefix:      "parrot",
			Uploads: []MultipartInfo{
				{
					Object:   objectNames[4],