MetadataAttributeSchema - Amazon Bedrock

MetadataAttributeSchema

Defines the schema for a metadata attribute used in Knowledge Base vector searches. Metadata attributes provide additional context for documents and can be used for filtering and reranking search results.

Contents

description

An optional description of the metadata attribute that provides additional context about its purpose and usage.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1024.

Pattern: [\s\S]+

Required: Yes

key

The unique identifier for the metadata attribute. This key is used to reference the attribute in filter expressions and reranking configurations.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 256.

Pattern: [\s\S]+

Required: Yes

type

The data type of the metadata attribute. The type determines how the attribute can be used in filter expressions and reranking.

Type: String

Valid Values: STRING | NUMBER | BOOLEAN | STRING_LIST

Required: Yes

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: