bitburner-src/markdown/bitburner.port.md

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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [Port](./bitburner.port.md)

## Port type

Queue used to send and receive messages.

<b>Signature:</b>

```typescript
type Port = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20;
```

## Remarks

A port is implemented as a sort of serialized queue, where you can only write and read one element at a time from the port. When you read data from a port, the element that is read is removed from the port.

IMPORTANT: The data inside ports are not saved! This means if you close and re-open the game, or reload the page then you will lose all of the data in the ports!