---
title: "readAttributeMeasuredPhase1stHarmonicCurrent(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterelectricalmeasurement/readattributemeasuredphase1stharmoniccurrent(with:)"
---

# readAttributeMeasuredPhase1stHarmonicCurrent(with:)

## Declaration

```swift
func readAttributeMeasuredPhase1stHarmonicCurrent(with params: MTRReadParams?) -> [String : Any]?
```