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

interface TransformChainFields<I, O> {
    callbackManager?: CallbackManager;
    callbacks?: Callbacks;
    inputVariables: (keyof I extends string
        ? keyof any
        : never)[];
    memory?: BaseMemory;
    metadata?: Record<string, unknown>;
    outputVariables: (keyof O extends string
        ? keyof any
        : never)[];
    tags?: string[];
    transform: ((values: I, callbacks?: Callbacks) => O | Promise<O>);
    verbose?: boolean;
}

Type Parameters

  • I extends ChainValues
  • O extends ChainValues

Hierarchy (view full)

Properties

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

Properties

OptionalcallbackManager

callbackManager?: CallbackManager

Deprecated

Use callbacks instead

Optionalcallbacks

callbacks?: Callbacks

inputVariables

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

Optionalmemory

memory?: BaseMemory

Optionalmetadata

metadata?: Record<string, unknown>

outputVariables

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

Optionaltags

tags?: string[]

transform

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

Optionalverbose

verbose?: boolean

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