[Home](./index.md) > [bitburner](./bitburner.md) > [WarehouseAPI](./bitburner.warehouseapi.md) > [cancelExportMaterial](./bitburner.warehouseapi.cancelexportmaterial.md) ## WarehouseAPI.cancelExportMaterial() method Signature: ```typescript cancelExportMaterial( sourceDivision: string, sourceCity: string, targetDivision: string, targetCity: string, materialName: string, amt: number, ): void; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | sourceDivision | string | | | sourceCity | string | | | targetDivision | string | | | targetCity | string | | | materialName | string | | | amt | number | | Returns: void