# module `concrete.fhe.extensions.multivariate` Declaration of `multivariate` extension. --- ## function `multivariate` ```python multivariate( function: Callable, outputs: Optional[BaseDataType, Type[ScalarAnnotation]] = None ) → Callable ``` Wrap a multivariate function so that it is traced into a single generic node. **Args:** function (Callable[[Any, ...], Any]): multivariate function to wrap outputs (Optional[Union[BaseDataType, Type[ScalarAnnotation]]], default = None): data type of the result only required for direct circuits ignored when compiling with inputsets **Returns:** Callable[[Union[Tracer, Any], ...], Union[Tracer, Any]]: another multivariate function that can be called with Tracers as well