# ChatCompletionToolFunction Function definition for tool calling ## Fields | Field | Type | Required | Description | | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | ---------------------------------------------------------------- | | `name` | *str* | :heavy_check_mark: | Function name (a-z, A-Z, 0-9, underscores, dashes, max 64 chars) | | `description` | *Optional[str]* | :heavy_minus_sign: | Function description for the model | | `parameters` | [Optional[models.Parameters]](../models/parameters.md) | :heavy_minus_sign: | Function parameters as JSON Schema object | | `strict` | *OptionalNullable[bool]* | :heavy_minus_sign: | Enable strict schema adherence |