# OpenResponsesCustomTool Custom tool configuration ## Fields | Field | Type | Required | Description | | ------------------------------------------------------- | ------------------------------------------------------- | ------------------------------------------------------- | ------------------------------------------------------- | | `type` | [components.TypeCustom](../components/typecustom.md) | :heavy_check_mark: | N/A | | `name` | *str* | :heavy_check_mark: | N/A | | `description` | *Optional[str]* | :heavy_minus_sign: | N/A | | `format_` | [Optional[components.Format]](../components/format_.md) | :heavy_minus_sign: | N/A |