[Home](./index.md) > [bitburner](./bitburner.md) > [Darknet](./bitburner.darknet.md) > [openCache](./bitburner.darknet.opencache.md) ## Darknet.openCache() method Opens a .cache file on the current server to acquire its valuable contents. **Signature:** ```typescript openCache(filename: string, suppressToast?: boolean): CacheResult; ``` ## Parameters

Parameter	Type	Description
filename	string	Name of the cache file to open.
suppressToast	boolean	_(Optional)_ Optional. If true, suppresses the toast notification that appears when opening a cache file. Defaults to false.

**Returns:** [CacheResult](./bitburner.cacheresult.md) An object containing the contents of the cache, and the karma lost. ## Remarks RAM cost: 2 GB