---
title: event
framework: coreml
role: symbol
role_heading: Instance Property
path: coreml/mlupdatecontext/event
---

# event

The event type that triggered an update task to notify your app’s completion and update progress handlers.

## Declaration

```swift
var event: MLUpdateProgressEvent { get }
```

## See Also

### Getting the update context

- [MLUpdateProgressEvent](coreml/mlupdateprogressevent.md)
- [task](coreml/mlupdatecontext/task.md)
- [parameters](coreml/mlupdatecontext/parameters.md)
- [MLParameterKey](coreml/mlparameterkey.md)