---
title: "readAttributeNullableInt56s(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterunittesting/readattributenullableint56s(with:)"
---

# readAttributeNullableInt56s(with:)

## Declaration

```swift
func readAttributeNullableInt56s(with params: MTRReadParams?) -> [String : Any]?
```
