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

# readAttributeRmsCurrentPhaseB(with:)

## Declaration

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