---
title: clusterContentAppObserverCommandContentAppMessageID
framework: matter
role: symbol
role_heading: Type Property
path: matter/mtrcommandidtype/clustercontentappobservercommandcontentappmessageid
---

# clusterContentAppObserverCommandContentAppMessageID

## Declaration

```swift
static var clusterContentAppObserverCommandContentAppMessageID: MTRCommandIDType { get }
```