---
title: "readAttributeNullableInt64s(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterunittesting/readattributenullableint64s(with:)"
---

# readAttributeNullableInt64s(with:)

## Declaration

```swift
func readAttributeNullableInt64s(with params: MTRReadParams?) -> [String : Any]?
```