---
title: unlock()
framework: scenekit
role: symbol
role_heading: Type Method
path: scenekit/scntransaction/unlock()
---

# unlock()

Relinquishes a previously acquired transaction lock.

## Declaration

```swift
class func unlock()
```

## Discussion

Discussion See the lock() method for more details on transaction locking.

## See Also

### Managing Concurrency

- [lock()](scenekit/scntransaction/lock().md)