```Python hl_lines="21  26"
{!../../docs_src/metadata/tutorial004.py!}
```

/// info

Lesen Sie mehr zu Tags unter [Pfadoperation-Konfiguration](path-operation-configuration.md#tags){.internal-link target=_blank}.

///

### Die Dokumentation anschauen

Wenn Sie nun die Dokumentation ansehen, werden dort alle zusätzlichen Metadaten angezeigt:

///

### 使用你的标签

将 `tags` 参数和*路径操作*（以及 `APIRouter`）一起使用，将其分配给不同的标签：

```Python hl_lines="21  26"
{!../../docs_src/metadata/tutorial004.py!}
```

/// info | "信息"

阅读更多关于标签的信息[路径操作配置](path-operation-configuration.md#tags){.internal-link target=_blank}。

///

### 查看文档

如果你现在查看文档，它们会显示所有附加的元数据：

<img src="/img/tutorial/metadata/image02.png">

### 标签顺序

每个标签元数据字典的顺序也定义了在文档用户界面显示的顺序。

	bucketReplProxiedDeleteTaggingRequestsFailures = "proxied_delete_tagging_requests_failures"
	bucketL                                        = "bucket"
	operationL                                     = "operation"
	targetArnL                                     = "targetArn"
)

var (
	bucketReplLastHrFailedBytesMD = NewGaugeMD(bucketReplLastHrFailedBytes,

  TF_Graph();

  mutable tensorflow::mutex mu;
  tensorflow::Graph graph TF_GUARDED_BY(mu);

  // Runs shape inference.
  tensorflow::ShapeRefiner refiner TF_GUARDED_BY(mu);

  // Maps from name of an operation to the Node* in 'graph'.
  std::unordered_map<tensorflow::string, tensorflow::Node*> name_map
      TF_GUARDED_BY(mu);

  // The keys of this map are all the active sessions using this graph. Each

			return nil
		}
		return apiErr
	}
	return nil
}

// GetObjectLambdaHandler - GET Object with transformed data via lambda functions
// ----------
// This implementation of the GET operation applies lambda functions and returns the
// response generated via the lambda functions. To use this API, you must have READ access
// to the object.

//
//   - <S3MultiObjectDeleteLimit>
//     Some of the Veeam products use Multi Delete operations. This setting can reduce how many objects are included in one
//     multi-delete operation. The same registry key setting overwrites the storage-defined setting.
//     Optional value, default 1000, range: 1-unlimited (S3 standard maximum is 1000 and should not be set higher)
//
//   - <StorageConcurrentTasksLimit>

		statusCode: 503,
		cause:      err,
	}
}

func errUnauthorizedAccess(err error) *s3Error {
	return &s3Error{
		code:       "UnauthorizedAccess",
		message:    "You are not authorized to perform this operation",
		statusCode: 401,
		cause:      err,
	}
}

func errEmptyRequestBody(err error) *s3Error {
	return &s3Error{
		code:       "EmptyRequestBody",
		message:    "Request body cannot be empty.",

      return set;
    }

    /**
     * Guaranteed to throw an exception and leave the collection unmodified.
     *
     * @throws UnsupportedOperationException always
     * @deprecated Unsupported operation.
     */
    @CanIgnoreReturnValue
    @Deprecated
    @Override
    @DoNotCall("Always throws UnsupportedOperationException")
    public final boolean add(@ParametricNullness E e) {

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="9"
{!> ../../docs_src/header_params/tutorial003.py!}
```

////

If you communicate with that *path operation* sending two HTTP headers like:

```
X-Token: foo
X-Token: bar
```

The response would be like:

```JSON
{
    "X-Token values": [
        "bar",
        "foo"
    ]
}

	// Log unhandled errors.
	if _, ok := err.(BucketPolicyNotFound); !ok {
		internalLogIf(GlobalContext, err, logger.WarningKind)
	}

	// As policy is not available for given bucket name, returns IsOwner i.e.
	// operation is allowed only for owner.
	return args.IsOwner
}

// NewPolicySys - creates new policy system.
func NewPolicySys() *PolicySys {
	return &PolicySys{}
}