langchain.js
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    Interface RunnableConfig<ConfigurableFieldType>

    interface RunnableConfig<
        ConfigurableFieldType extends Record<string, any> = Record<string, any>,
    > {
        callbacks?: Callbacks;
        configurable?: ConfigurableFieldType;
        maxConcurrency?: number;
        metadata?: Record<string, unknown>;
        recursionLimit?: number;
        runId?: string;
        runName?: string;
        signal?: AbortSignal;
        tags?: string[];
        timeout?: number;
    }

    Type Parameters

    • ConfigurableFieldType extends Record<string, any> = Record<string, any>

    Hierarchy (View Summary)

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    Properties

    callbacks? configurable? maxConcurrency? metadata? recursionLimit? runId? runName? signal? tags? timeout?

    Properties

    callbacks?: Callbacks

    Callbacks for this call and any sub-calls (eg. a Chain calling an LLM). Tags are passed to all callbacks, metadata is passed to handle*Start callbacks.

    configurable?: ConfigurableFieldType

    Runtime values for attributes previously made configurable on this Runnable, or sub-Runnables.

    maxConcurrency?: number

    Maximum number of parallel calls to make.

    metadata?: Record<string, unknown>

    Metadata for this call and any sub-calls (eg. a Chain calling an LLM). Keys should be strings, values should be JSON-serializable.

    recursionLimit?: number

    Maximum number of times a call can recurse. If not provided, defaults to 25.

    runId?: string

    Unique identifier for the tracer run for this call. If not provided, a new UUID will be generated.

    runName?: string

    Name for the tracer run for this call. Defaults to the name of the class.

    signal?: AbortSignal

    Abort signal for this call. If provided, the call will be aborted when the signal is aborted.

    https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal

    tags?: string[]

    Tags for this call and any sub-calls (eg. a Chain calling an LLM). You can use these to filter calls.

    timeout?: number

    Timeout for this call in milliseconds.

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