def coup_day_bs(self) -> CoupDayBsRequestBuilder:
        """
        Provides operations to call the coupDayBs method.
        """
        from .coup_day_bs.coup_day_bs_request_builder import CoupDayBsRequestBuilder

        return CoupDayBsRequestBuilder(self.request_adapter, self.path_parameters)

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