---
title: "customVirtioDeviceWillResume(_:)"
framework: virtualization
role: symbol
role_heading: Instance Method
path: "virtualization/vzcustomvirtiodevicedelegate/customvirtiodevicewillresume(_:)"
---

# customVirtioDeviceWillResume(_:)

The method the framework calls when a device resumes.

## Declaration

```swift
optional func customVirtioDeviceWillResume(_ device: VZCustomVirtioDevice)
```

## Parameters

- `device`: The device invoking the delegate method.

## Discussion

Discussion A device is in a resumed state when its corresponding VZVirtualMachine resumes from the paused state. This happens when you call resume().