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

# readAttributeOctetString(with:)

## Declaration

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