Class MetadataTagger

A transformer that tags metadata to a document using a tagging chain.

Hierarchy

MappingDocumentTransformer
- MetadataTagger

Index

Constructors

Properties

Methods

transformDocuments

Constructors

constructor

new MetadataTagger(fields): MetadataTagger
Parameters
- fields: {
  taggingChain: BaseChain<ChainValues, ChainValues>;
  }
  - taggingChain: BaseChain<ChainValues, ChainValues>
Returns MetadataTagger
Overrides MappingDocumentTransformer.constructor
- Defined in docs/api_refs/langchain/src/document_transformers/openai_functions.ts:25

Properties

`Protected` taggingChain

taggingChain: BaseChain<ChainValues, ChainValues>

Methods

transformDocuments

transformDocuments(documents): Promise<Document<Record<string, any>>[]>
Parameters
- documents: Document<Record<string, any>>[]
Returns Promise<Document<Record<string, any>>[]>
Inherited from MappingDocumentTransformer.transformDocuments
- Defined in docs/api_refs/langchain/src/schema/document.ts:11

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