---
title: readBuffersAvailableByteCount
framework: virtualization
role: symbol
role_heading: Instance Property
path: virtualization/vzvirtioqueueelement/readbuffersavailablebytecount
---

# readBuffersAvailableByteCount

The size of the read buffers memory (in bytes) exposed by the Virtio queue element that’s currently available for reading.

## Declaration

```swift
var readBuffersAvailableByteCount: Int { get }
```

## Discussion

Discussion This value is initially equal to readBuffersByteCount. This value decreases as you read memory from the read buffers.