[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [limitProductProduction](./bitburner.warehouseapi.limitproductproduction.md) ## WarehouseAPI.limitProductProduction() method Limit product production. **Signature:** ```typescript limitProductProduction(divisionName: string, city: CityName, productName: string, qty: number): void; ``` ## Parameters

Parameter	Type	Description
divisionName	string	Name of the division.
city	[CityName](./bitburner.cityname.md)	Name of the city.
productName	string	Name of the product.
qty	number	Amount to limit to. Pass a negative value to remove the limit instead.

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