[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [alert](./bitburner.ns.alert.md) ## NS.alert() method Open up a message box. **Signature:** ```typescript alert(...args: any[]): void; ``` ## Parameters

Parameter	Type	Description
args	any\[\]	Value(s) to be alerted.

**Returns:** void ## Remarks RAM cost: 0 GB