---
title: value
framework: Hypervisor
role: symbol
role_heading: Instance Property
path: hypervisor/hv_ion_message_t/value
---

# value

An unsigned 64-bit integer that represents the contents of an I/O notifier message.

## Declaration

```swift
var value: UInt64
```

## See Also

### Instance properties

- [addr](hypervisor/hv_ion_message_t/addr.md)
- [header](hypervisor/hv_ion_message_t/header.md)
- [size](hypervisor/hv_ion_message_t/size.md)
- [trailer](hypervisor/hv_ion_message_t/trailer.md)