---
title: "writeAttributeNullableBitmap8(withValue:expectedValueInterval:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterunittesting/writeattributenullablebitmap8(withvalue:expectedvalueinterval:)"
---

# writeAttributeNullableBitmap8(withValue:expectedValueInterval:)

## Declaration

```swift
func writeAttributeNullableBitmap8(withValue dataValueDictionary: [String : Any], expectedValueInterval expectedValueIntervalMs: NSNumber)
```