---
title: ObservationTracking.Event
framework: observation
role: symbol
role_heading: Structure
path: observation/observationtracking/event
---

# ObservationTracking.Event

## Declaration

```swift
struct Event
```

## Topics

### Structures

- [ObservationTracking.Event.Kind](observation/observationtracking/event/kind-swift.struct.md)

### Instance Properties

- [kind](observation/observationtracking/event/kind-swift.property.md)

### Instance Methods

- [cancel()](observation/observationtracking/event/cancel().md)
- [matches(_:)](observation/observationtracking/event/matches(_:).md)