---
title: "readAttributeInt40s(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterunittesting/readattributeint40s(with:)"
---

# readAttributeInt40s(with:)

## Declaration

```swift
func readAttributeInt40s(with params: MTRReadParams?) -> [String : Any]?
```