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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [NS](./bitburner.ns.md) &gt; [readPort](./bitburner.ns.readport.md)

## NS.readPort() method

Read data from a port.

<b>Signature:</b>

```typescript
readPort(port: number): PortData;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  port | number |  |

<b>Returns:</b>

[PortData](./bitburner.portdata.md)

the data read.

## Remarks

RAM cost: 0 GB

Read data from that port. A port is a serialized queue. This function will remove the first element from that queue and return it. If the queue is empty, then the string “NULL PORT DATA” will be returned.