---
title: writeBuffersAvailableByteCount
framework: virtualization
role: symbol
role_heading: Instance Property
path: virtualization/vzvirtioqueueelement/writebuffersavailablebytecount
---

# writeBuffersAvailableByteCount

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

## Declaration

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

## Discussion

Discussion This value is initially equal to writeBuffersByteCount. This value decreases as you write memory to the write buffers.