---
title: "readAttributeMaxRFIDCodeLength(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterdoorlock/readattributemaxrfidcodelength(with:)"
---

# readAttributeMaxRFIDCodeLength(with:)

## Declaration

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