### OBS Bucket Listing by Pages

Source: https://github.com/huaweicloud/huaweicloud-sdk-nodejs-obs/blob/master/README.md

This snippet indicates that the `listBucket` API now supports pagination, allowing users to retrieve bucket lists in smaller, manageable chunks.

```APIDOC
ObsClient.listBucket(options: ListBucketOptions):
  - Supports listing buckets by pages.
  - Parameters:
    - options: Includes parameters for pagination (e.g., 'marker', 'max-keys').
```

--------------------------------

### OBS Client Initialization with Connection and Agent Configuration

Source: https://github.com/huaweicloud/huaweicloud-sdk-nodejs-obs/blob/master/README.md

This snippet describes how to configure the ObsClient during initialization to control maximum HTTP connections, customize HTTP/HTTPS agents, and set the user agent. It also notes that all APIs now return an internal OBS error code (Indicator) and that socket connection time is logged.

```APIDOC
ObsClient initialization parameters:
  max_connections: Configures the maximum HTTP connections.
  http_agent: Custom HTTP agent for requests.
  https_agent: Custom HTTPS agent for requests.
  user_agent: Configures the user agent string.

API Behavior:
  All APIs now return 'Indicator', the internal error code of OBS.
  Log printing of the time required for setting up a socket connection has been added.
```

--------------------------------

### OBS File Upload and Download Progress Callbacks

Source: https://github.com/huaweicloud/huaweicloud-sdk-nodejs-obs/blob/master/README.md

This snippet describes the integration of ProgressCallback into various file operation APIs, allowing users to monitor the progress of uploads and downloads. It covers `getObject`, `uploadFile`, `downloadFile`, `putObject`, `uploadPart`, and `appendObject`.

```APIDOC
ProgressCallback parameter:
  - Supported in ObsClient.getObject, ObsClient.uploadFile, and ObsClient.downloadFile for monitoring progress.
  - Added to ObsClient.putObject, ObsClient.uploadPart, and ObsClient.appendObject to obtain upload progress.
  - Usage: A function that receives progress updates during the operation.
```

--------------------------------

### OBS Object Tagging APIs

Source: https://github.com/huaweicloud/huaweicloud-sdk-nodejs-obs/blob/master/README.md

This snippet documents the APIs for managing object tags within Huawei Cloud OBS. It includes methods for setting, retrieving, and deleting tags associated with objects.

```APIDOC
ObsClient.setObjectTagging(bucketName: string, objectKey: string, tags: ObjectTagging):
  - Sets tags for a specified object.
  - Parameters:
    - bucketName: The name of the bucket.
    - objectKey: The key of the object.
    - tags: An object containing tag key-value pairs.

ObsClient.getObjectTagging(bucketName: string, objectKey: string):
  - Retrieves tags for a specified object.
  - Parameters:
    - bucketName: The name of the bucket.
    - objectKey: The key of the object.
  - Returns: An object containing tag key-value pairs.

ObsClient.deleteObjectTagging(bucketName: string, objectKey: string):
  - Deletes all tags from a specified object.
  - Parameters:
    - bucketName: The name of the bucket.
    - objectKey: The key of the object.
```

--------------------------------

### OBS Bucket Notification APIs with FunctionGraph Support

Source: https://github.com/huaweicloud/huaweicloud-sdk-nodejs-obs/blob/master/README.md

This snippet describes the `setBucketNotification` and `getBucketNotification` APIs, highlighting their enhanced support for configuring and querying FunctionGraph in bucket event notifications.

```APIDOC
ObsClient.setBucketNotification(bucketName: string, notificationConfiguration: NotificationConfiguration):
  - Configures event notifications for a bucket.
  - Supports FunctionGraph configuration as a notification target.
  - Parameters:
    - bucketName: The name of the bucket.
    - notificationConfiguration: The configuration for bucket events, including FunctionGraph details.

ObsClient.getBucketNotification(bucketName: string):
  - Retrieves the event notification configuration for a bucket.
  - Supports querying FunctionGraph configurations.
  - Parameters:
    - bucketName: The name of the bucket.
  - Returns: The current notification configuration for the bucket.
```

--------------------------------

### OBS Object Upload and Metadata Modification APIs

Source: https://github.com/huaweicloud/huaweicloud-sdk-nodejs-obs/blob/master/README.md

This snippet details enhancements to the `uploadFile` API, including support for specifying object expiration time, and the addition of `setObjectMetadata` for modifying existing object metadata.

```APIDOC
ObsClient.uploadFile(options: UploadFileOptions):
  - Supports specifying the 'Expires' parameter to set the expiration time of the uploaded object.
  - Added the ability to abort an upload operation.

ObsClient.setObjectMetadata(bucketName: string, objectKey: string, metadata: ObjectMetadata):
  - Modifies the metadata of an existing object.
  - Parameters:
    - bucketName: The name of the bucket.
    - objectKey: The key of the object.
    - metadata: An object containing metadata key-value pairs to set or update.
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.