---
title: permissions
framework: corebluetooth
role: symbol
role_heading: Instance Property
path: corebluetooth/cbmutablecharacteristic/permissions
---

# permissions

The permissions of the characteristic value.

## Declaration

```swift
var permissions: CBAttributePermissions { get set }
```

## Discussion

Discussion Characteristic permissions represent the read, write, and encryption permissions for a characteristic’s value. For a complete list and discussion of the available characteristic permissions, see CBAttributePermissions.

## See Also

### Managing a Mutable Characteristic

- [value](corebluetooth/cbmutablecharacteristic/value.md)
- [descriptors](corebluetooth/cbmutablecharacteristic/descriptors.md)
- [properties](corebluetooth/cbmutablecharacteristic/properties.md)
- [CBAttributePermissions](corebluetooth/cbattributepermissions.md)
- [subscribedCentrals](corebluetooth/cbmutablecharacteristic/subscribedcentrals.md)