Interface TransformChainFields<I, O>

Interface that extends the ChainInputs interface and defines the fields required for a transform chain. It includes the transform function, inputVariables, and outputVariables properties.

Deprecated

Switch to expression language: https://js.langchain.com/docs/expression_language/ Will be removed in 0.2.0

Type Parameters

Hierarchy

Properties

inputVariables outputVariables transform callbackManager? callbacks? memory? metadata? tags? verbose?

Properties

inputVariables

inputVariables: (keyof I extends string
    ? keyof any
    : never)[]

outputVariables

outputVariables: (keyof O extends string
    ? keyof any
    : never)[]

transform

transform: ((values, callbacks?) => O | Promise<O>)

Type declaration

    • (values, callbacks?): O | Promise<O>

    • Parameters

      • values: I
      • Optional callbacks: Callbacks

      Returns O | Promise<O>

Optional callbackManager

callbackManager?: CallbackManager

⚠️ Deprecated ⚠️

Use callbacks instead

This feature is deprecated and will be removed in the future.

It is not recommended for use.

Optional callbacks

callbacks?: Callbacks

Optional memory

memory?: BaseMemory

Optional metadata

metadata?: Record<string, unknown>

Optional tags

tags?: string[]

Optional verbose

verbose?: boolean

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