---
title: "readAttributeBoostState(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterwaterheatermanagement/readattributebooststate(completion:)"
---

# readAttributeBoostState(completion:)

## Declaration

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

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