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# notify(_:atValue:block:)

Schedules a notification handler to be called after the shareable event’s signal value equals or exceeds a given value.

```
func notify(_ listener: MTLSharedEventListener, atValue value: UInt64, block: @escaping MTLSharedEventNotificationBlock)
```

## Parameters

`listener`

The listener object used to dispatch the notification.

`value`

The minimum value that needs to be signaled before the notification handler is called.

`block`

The notification handler to call.

## Discussion

---

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