Function convertToOpenAIFunction

convertToOpenAIFunction(
    tool:
        | StructuredToolParams
        | StructuredToolInterface<ToolSchemaBase, any, any>
        | RunnableToolLike<InteropZodType, unknown>,
    fields?: number | { strict?: boolean },
): FunctionDefinition
Formats a StructuredTool or RunnableToolLike instance into a format that is compatible with OpenAI function calling. If StructuredTool or RunnableToolLike has a zod schema, the output will be converted into a JSON schema, which is then used as the parameters for the OpenAI tool.
Parameters
- tool:
      | StructuredToolParams
      | StructuredToolInterface<ToolSchemaBase, any, any>
      | RunnableToolLike<InteropZodType, unknown>
  The tool to convert to an OpenAI function.
- Optionalfields: number | { strict?: boolean }
  - number
  - { strict?: boolean }
    Optionalstrict?: boolean
    If true, model output is guaranteed to exactly match the JSON Schema provided in the function definition.
Returns FunctionDefinition
The inputted tool in OpenAI function format.
- Defined in remotes/langchain-ai/langchainjs/main/libs/langchain-core/src/utils/function_calling.ts:28