GetLumaKnowledgeBase - EventBridge - Alibaba Cloud Documentation Center

Operation description

Retrieves the details of a specified knowledge base bound to a Luma Agent, including the vector model, chunking configuration, and retrieval configuration.

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RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter	Type	Required	Description	Example
AgentName	string	Yes	The name of the Agent.	my_agent
Catalog	string	Yes	The name of the data catalog bound to the Agent. You can call ListLumaCatalogs to obtain this value.	my_catalog
Namespace	string	Yes	The name of the namespace bound to the Agent. You can call ListLumaNamespaces to obtain this value.	my_namespace
KnowledgeBaseName	string	Yes	The name of the knowledge base bound to the Agent. You can call ListLumaKnowledgeBases to obtain this value.	my-knowledge-base

Response elements

Element	Type	Description	Example
	object
Message	string	The message returned by the operation. The value is Operation success when the call succeeds, or a specific error description when the call fails.	Operation success
RequestId	string	The unique identifier of the request, used for troubleshooting and ticket feedback.	34AD682D-5B91-5773-8132-AA38C130****
Data	KnowledgeBase	The details of the knowledge base bound to the Agent.
Code	string	The response code returned by the operation. A value of Success indicates a successful call. Otherwise, a specific error code is returned.	Success
Success	boolean	Indicates whether the call was successful. A value of true indicates success.	true

Examples

Success response

JSON format

{
  "Message": "Operation success",
  "RequestId": "34AD682D-5B91-5773-8132-AA38C130****",
  "Data": {
    "Catalog": "my_catalog",
    "ChunkConfiguration": {
      "HeadingLevel": 2,
      "MaxChunkSize": 600,
      "OverlapSize": 40,
      "PreprocessRules": {
        "RemoveUrlsAndEmails": false,
        "ReplaceConsecutiveWhitespace": true
      },
      "Separator": "\\\\n\\\\n",
      "Strategy": "BY_SEPARATOR"
    },
    "CreatedAt": "2026-08-24T10:00:00Z",
    "Description": "Product documentation knowledge base",
    "EmbeddingDimension": 1024,
    "EmbeddingModel": "text-embedding-v4",
    "FailureReason": "OssException: BucketAlreadyExists ...",
    "KnowledgeBaseName": "product-docs",
    "MetadataSchema": [
      {
        "Name": "department",
        "Type": "STRING",
        "Value": "EventHouse",
        "ValueMode": "CONSTANT"
      }
    ],
    "Namespace": "my_namespace",
    "SearchConfiguration": {
      "Mode": "HYBRID",
      "RankAlgorithm": "RRF",
      "RerankEnabled": false,
      "RerankModel": "qwen3-rerank",
      "RrfK": 60,
      "TopK": 20,
      "VectorWeight": 0.7
    },
    "Status": "ACTIVE",
    "UpdatedAt": "2026-08-24T10:00:00Z"
  },
  "Code": "Success",
  "Success": true
}

Error codes

HTTP status code	Error code	Error message
400	InvalidParameter	The specified parameter is invalid
403	ServiceNotEnable	Service not enable
404	AgentNotFound	Agent not found
404	ResourceNotFound	The specified resource is not bound to the agent

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.