---
title: "readAttributeNullableBitmap16(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterunittesting/readattributenullablebitmap16(with:)"
---

# readAttributeNullableBitmap16(with:)

## Declaration

```swift
func readAttributeNullableBitmap16(with params: MTRReadParams?) -> [String : Any]?
```