---
title: "readAttributeSpeedMax(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterfancontrol/readattributespeedmax(with:)"
---

# readAttributeSpeedMax(with:)

## Declaration

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