def erf_c(self) -> ErfCRequestBuilder:
        """
        Provides operations to call the erfC method.
        """
        from .erf_c.erf_c_request_builder import ErfCRequestBuilder

        return ErfCRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the erfC method.
        
msgraph/generated/drives/item/items/item/workbook/functions/functions_request_builder.py