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# CMClock.DisplayGenlockModeChangedMessage

A message delivered when the display mode changes from genlock to non-genlock or vice versa.

```
struct DisplayGenlockModeChangedMessage
```

## Topics

### Instance Properties

[`let isAnyDisplaySynchronizedToLockedGenlockSignal: Bool`](/documentation/CoreMedia/CMClock/DisplayGenlockModeChangedMessage/isAnyDisplaySynchronizedToLockedGenlockSignal)

Indicates whether at least one display is synchronized to a locked external genlock signal.

## Relationships

### Conforms To

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

[`MainActorMessage`](/documentation/Foundation/NotificationCenter/MainActorMessage)

---

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