[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [setSmartSupplyUseLeftovers](./bitburner.warehouseapi.setsmartsupplyuseleftovers.md)
## WarehouseAPI.setSmartSupplyUseLeftovers() method
Set whether smart supply uses leftovers before buying
Signature:
```typescript
setSmartSupplyUseLeftovers(
divisionName: string,
city: CityName | `${CityName}`,
materialName: string,
enabled: boolean,
): void;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| divisionName | string | Name of the division |
| city | [CityName](./bitburner.cityname.md) \| \`${[CityName](./bitburner.cityname.md)}\` | Name of the city |
| materialName | string | Name of the material |
| enabled | boolean | smart supply use leftovers enabled |
Returns:
void