---
title: "readAttributePolarity(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterbinaryinputbasic/readattributepolarity(with:)"
---

# readAttributePolarity(with:)

## Declaration

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