bitburner-src/markdown/bitburner.ns.atexit.md

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## NS.atExit() method

Add callback function when the script dies

**Signature:**

```typescript
atExit(f: () => void, id?: string): void;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  f | () =&gt; void |  |
|  id | string | _(Optional)_ |

**Returns:**

void

## Remarks

RAM cost: 0 GB

NS2 exclusive

Add callback to be executed when the script dies.