[Home](./index.md) > [bitburner](./bitburner.md) > [Corporation](./bitburner.corporation.md) > [hasUnlock](./bitburner.corporation.hasunlock.md) ## Corporation.hasUnlock() method Check if you have a one-time unlockable upgrade. **Signature:** ```typescript hasUnlock(upgradeName: CorpUnlockName): boolean; ``` ## Parameters

Parameter	Type	Description
upgradeName	[CorpUnlockName](./bitburner.corpunlockname.md)	Name of the upgrade

**Returns:** boolean true if unlocked and false if not ## Remarks RAM cost: 10 GB