---
title: HMError.Code.readOnlyCharacteristic
framework: homekit
role: symbol
role_heading: Case
path: homekit/hmerror/code/readonlycharacteristic
---

# HMError.Code.readOnlyCharacteristic

An attempt to modify a read-only value.

## Declaration

```swift
case readOnlyCharacteristic
```

## See Also

### Characteristic errors

- [HMError.Code.writeOnlyCharacteristic](homekit/hmerror/code/writeonlycharacteristic.md)