---
title: "writeAttributeNullableRangeRestrictedInt8u(withValue:completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclustertestcluster/writeattributenullablerangerestrictedint8u(withvalue:completionhandler:)"
---

# writeAttributeNullableRangeRestrictedInt8u(withValue:completionHandler:)

## Declaration

```swift
func writeAttributeNullableRangeRestrictedInt8u(withValue value: NSNumber?, completionHandler: @escaping @Sendable ((any Error)?) -> Void)
```

```swift
func writeAttributeNullableRangeRestrictedInt8u(withValue value: NSNumber?) async throws
```