[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [setSmartSupplyOption](./bitburner.warehouseapi.setsmartsupplyoption.md) ## WarehouseAPI.setSmartSupplyOption() method Set whether smart supply uses leftovers before buying. **Signature:** ```typescript setSmartSupplyOption( divisionName: string, city: CityName, materialName: CorpMaterialName, option: CorpSmartSupplyOption, ): void; ``` ## Parameters

Parameter	Type	Description
divisionName	string	Name of the division
city	[CityName](./bitburner.cityname.md)	Name of the city
materialName	[CorpMaterialName](./bitburner.corpmaterialname.md)	Name of the material
option	[CorpSmartSupplyOption](./bitburner.corpsmartsupplyoption.md)	Smart supply option. Set "leftovers" to use leftovers, "imports" to use only imported materials, and "none" to not use stored materials.

**Returns:** void ## Remarks RAM cost: 20 GB