---
title: writeEncryptionRequired
framework: corebluetooth
role: symbol
role_heading: Type Property
path: corebluetooth/cbattributepermissions/writeencryptionrequired
---

# writeEncryptionRequired

A permission that indicates only trusted devices can write the attribute’s value.

## Declaration

```swift
static var writeEncryptionRequired: CBAttributePermissions { get }
```

## See Also

### Permissions

- [readable](corebluetooth/cbattributepermissions/readable.md)
- [writeable](corebluetooth/cbattributepermissions/writeable.md)
- [readEncryptionRequired](corebluetooth/cbattributepermissions/readencryptionrequired.md)