[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [exportMaterial](./bitburner.warehouseapi.exportmaterial.md) ## WarehouseAPI.exportMaterial() method Set material export data. **Signature:** ```typescript exportMaterial( sourceDivision: string, sourceCity: CityName, targetDivision: string, targetCity: CityName, materialName: CorpMaterialName, amt: number | string, ): void; ``` ## Parameters

Parameter	Type	Description
sourceDivision	string	Source division
sourceCity	[CityName](./bitburner.cityname.md)	Source city
targetDivision	string	Target division
targetCity	[CityName](./bitburner.cityname.md)	Target city
materialName	[CorpMaterialName](./bitburner.corpmaterialname.md)	Name of the material
amt	number \| string	Amount of material to export.

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