---
title: "writeAttributeBarrierOpenPeriod(withValue:completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterbarriercontrol/writeattributebarrieropenperiod(withvalue:completion:)"
---

# writeAttributeBarrierOpenPeriod(withValue:completion:)

## Declaration

```swift
func writeAttributeBarrierOpenPeriod(withValue value: NSNumber, completion: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func writeAttributeBarrierOpenPeriod(withValue value: NSNumber) async throws
```