[Home](./index.md) > [bitburner](./bitburner.md) > [NetscriptPort](./bitburner.netscriptport.md) > [write](./bitburner.netscriptport.write.md) ## NetscriptPort.write() method Write data to a port. Signature: ```typescript write(value: string | number): PortData | null; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | value | string \| number | | Returns: [PortData](./bitburner.portdata.md) \| null The data popped off the queue if it was full. ## Remarks RAM cost: 0 GB