[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): null | string | number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| value | string \| number | |
Returns:
null \| string \| number
The data popped off the queue if it was full.
## Remarks
RAM cost: 0 GB