---
title: "readAttributeMeasuredPhase11thHarmonicCurrent(completionHandler:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterelectricalmeasurement/readattributemeasuredphase11thharmoniccurrent(completionhandler:)"
---

# readAttributeMeasuredPhase11thHarmonicCurrent(completionHandler:)

## Declaration

```swift
func readAttributeMeasuredPhase11thHarmonicCurrent(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)
```

```swift
func readAttributeMeasuredPhase11thHarmonicCurrent() async throws -> NSNumber
```