Function tool

tool<RunInput>(func, fields): DynamicStructuredTool<RunInput>
Creates a new StructuredTool instance with the provided function, name, description, and schema.
Type Parameters
- RunInput extends ZodAny = ZodAny
  The input schema for the tool.
Parameters
- func: RunnableFunc<TypeOf<RunInput>, string>
  The function to invoke when the tool is called.
- fields: ToolWrapperParams<RunInput>
  An object containing the following properties:
Returns DynamicStructuredTool<RunInput>
A new StructuredTool instance.

Function
- Defined in langchain-core/src/tools.ts:402