---
title: "readAttributeFloatSingle(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterunittesting/readattributefloatsingle(completion:)"
---

# readAttributeFloatSingle(completion:)

## Declaration

```swift
func readAttributeFloatSingle(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)
```

```swift
func readAttributeFloatSingle() async throws -> NSNumber
```