format_tool_to_openai_tool#

langchain_core.utils.function_calling.format_tool_to_openai_tool(tool: BaseTool) → ToolDescription[source]#

Deprecated since version 0.1.16: Use convert_to_openai_tool() instead. It will not be removed until langchain-core==1.0.

Format tool into the OpenAI function API.

Parameters:

tool (BaseTool) – The tool to format.

Returns:

The tool description.

Return type:

ToolDescription