---
title: "readAttributeACCapacity(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterthermostat/readattributeaccapacity(with:)"
---

# readAttributeACCapacity(with:)

## Declaration

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