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

# readAttributePanId(completion:)

## Declaration

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

```swift
func readAttributePanId() async throws -> NSNumber
```