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JavaScriptlangchainindexDescriptionFactory
Typeā—Since v1.1

DescriptionFactory

Function type that dynamically generates a description for a tool call approval request.

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DescriptionFactory: z.infer<typeof DescriptionFunctionSchema>

Example

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import { type DescriptionFactory, type ToolCall } from "langchain";

const descriptionFactory: DescriptionFactory = (toolCall, state, runtime) => {
  return `Please review: ${toolCall.name}(${JSON.stringify(toolCall.args)})`;
};
View source on GitHub