---
title: AVExternalSyncDeviceStatus.activeSync
framework: avfoundation
role: symbol
role_heading: Case
path: avfoundation/avexternalsyncdevicestatus/activesync
---

# AVExternalSyncDeviceStatus.activeSync

Indicates that the AVExternalSyncDevice object is running and that the clock property on AVExternalSyncDevice is calibrated to the external sync signal.

## Declaration

```swift
case activeSync
```

## See Also

### Status values

- [AVExternalSyncDeviceStatus.calibrating](avfoundation/avexternalsyncdevicestatus/calibrating.md)
- [AVExternalSyncDeviceStatus.freeRunSync](avfoundation/avexternalsyncdevicestatus/freerunsync.md)
- [AVExternalSyncDeviceStatus.ready](avfoundation/avexternalsyncdevicestatus/ready.md)
- [AVExternalSyncDeviceStatus.unavailable](avfoundation/avexternalsyncdevicestatus/unavailable.md)