---
title: "readAttributeSecurityPolicy(completion:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrbaseclusterthreadnetworkdiagnostics/readattributesecuritypolicy(completion:)"
---

# readAttributeSecurityPolicy(completion:)

## Declaration

```swift
func readAttributeSecurityPolicy(completion: @escaping @Sendable (MTRThreadNetworkDiagnosticsClusterSecurityPolicy?, (any Error)?) -> Void)
```

```swift
func readAttributeSecurityPolicy() async throws -> MTRThreadNetworkDiagnosticsClusterSecurityPolicy
```