---
title: "readAttributeBatApprovedChemistry(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterpowersource/readattributebatapprovedchemistry(with:)"
---

# readAttributeBatApprovedChemistry(with:)

## Declaration

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