<!--
{
  "availability" : [
    "iOS: 26.5.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AccessoryTransportExtension",
  "identifier" : "/documentation/AccessoryTransportExtension/AccessoryTransportSecurityConfiguration",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "Accessory Transport Extension"
    ],
    "preciseIdentifier" : "s:27AccessoryTransportExtension0aB21SecurityConfigurationP"
  },
  "title" : "AccessoryTransportSecurityConfiguration"
}
-->

# AccessoryTransportSecurityConfiguration

A protocol that configures and manages communication between your security extension and the system.

```
protocol AccessoryTransportSecurityConfiguration : AppExtensionConfiguration
```

## Overview

The [`AccessoryTransportSecurity`](/documentation/AccessoryTransportExtension/AccessoryTransportSecurity) protocol uses this configuration to establish communication with the system.

## Relationships

### Inherits From

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`AppExtensionConfiguration`](/documentation/ExtensionFoundation/AppExtensionConfiguration)

[`Sendable`](/documentation/Swift/Sendable)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)