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

# readAttributeLongCharString(with:)

## Declaration

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