def na(self) -> NaRequestBuilder:
        """
        Provides operations to call the na method.
        """
        from .na.na_request_builder import NaRequestBuilder

        return NaRequestBuilder(self.request_adapter, self.path_parameters)

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