文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 [AWS SDK 範例](https://github.com/awsdocs/aws-doc-sdk-examples)。

本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# `UpdateKnowledgeBase` 搭配 AWS SDK 使用
<a name="bedrock-agent_example_bedrock-agent_UpdateKnowledgeBase_section"></a>

以下程式碼範例顯示如何使用 `UpdateKnowledgeBase`。

------
#### [ Python ]

**適用於 Python 的 SDK (Boto3)**  
 GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/bedrock-agent#code-examples)中設定和執行。
更新 Amazon Bedrock 知識庫。  

```
def update_knowledge_base(bedrock_agent_client, knowledge_base_id, name=None, description=None, role_arn=None):
    """
    Updates an existing knowledge base.

    Args:
        bedrock_agent_client: The Boto3 Bedrock Agent client.
        knowledge_base_id (str): The ID of the knowledge base to update.
        name (str, optional): The new name for the knowledge base.
        description (str, optional): The new description for the knowledge base.
        role_arn (str, optional): The new IAM role ARN for the knowledge base.

    Returns:
        dict: The details of the updated knowledge base.
    """
    try:
        kwargs = {
            "knowledgeBaseId": knowledge_base_id,
            "knowledgeBaseConfiguration": {
                "type": "VECTOR",
                "vectorKnowledgeBaseConfiguration": {
                    "embeddingModelArn": "arn:aws:bedrock:us-east-1::foundation-model/amazon.titan-embed-text-v1"
                }
            }
        }
        
        if name:
            kwargs["name"] = name
        if description:
            kwargs["description"] = description
        if role_arn:
            kwargs["roleArn"] = role_arn
            
        response = bedrock_agent_client.update_knowledge_base(**kwargs)
        
        logger.info("Updated knowledge base: %s", knowledge_base_id)
        return response["knowledgeBase"]
    
    except ClientError as err:
        logger.error(
            "Couldn't update knowledge base %s. Here's why: %s: %s",
            knowledge_base_id,
            err.response["Error"]["Code"],
            err.response["Error"]["Message"],
        )
        raise
```
+  如需 API 詳細資訊，請參閱《AWS SDK for Python (Boto3) API 參考》**中的 [UpdateKnowledgeBase](https://docs.aws.amazon.com/goto/boto3/bedrock-agent-2023-12-12/UpdateKnowledgeBase)。

------