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

# readAttributeListNullablesAndOptionalsStruct(with:)

## Declaration

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