---
title: "readAttributeTankPercentage(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterwaterheatermanagement/readattributetankpercentage(with:)"
---

# readAttributeTankPercentage(with:)

## Declaration

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