---
title: characteristic
framework: corebluetooth
role: symbol
role_heading: Instance Property
path: corebluetooth/cbattrequest/characteristic
---

# characteristic

The characteristic to read or write the value of.

## Declaration

```swift
var characteristic: CBCharacteristic { get }
```

## See Also

### Requesting to Read and Write Characteristic Values

- [central](corebluetooth/cbattrequest/central.md)
- [value](corebluetooth/cbattrequest/value.md)
- [offset](corebluetooth/cbattrequest/offset.md)