---
title: HV_MSR_WRITE
framework: hypervisor
role: symbol
role_heading: Global Variable
path: hypervisor/hv_msr_write
---

# HV_MSR_WRITE

The Model-Specific Register (MSR) write permission.

## Declaration

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

## Mentioned in

Extending vCPU Capabilities Using Model-Specific Registers

## See Also

### Permissions

- [HV_MSR_NONE](hypervisor/hv_msr_none.md)
- [HV_MSR_READ](hypervisor/hv_msr_read.md)