---
title: AVMetrics
framework: avfoundation
role: symbol
role_heading: Structure
path: avfoundation/avmetrics
---

# AVMetrics

An asynchronous stream of metric information.

## Declaration

```swift
struct AVMetrics<MetricEvent> where MetricEvent : AVMetricEvent
```

## Topics

### Merging metrics

- [chronologicalMerge(with:_:)](avfoundation/avmetrics/chronologicalmerge(with:_:).md)

## Relationships

### Conforms To

- [AsyncSequence](swift/asyncsequence.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Metrics

- [AVMergedMetrics](avfoundation/avmergedmetrics.md)
- [AVVideoPerformanceMetrics](avfoundation/avvideoperformancemetrics.md)
- [AVMetricEventStreamPublisher](avfoundation/avmetriceventstreampublisher.md)
- [AVMetricEvent](avfoundation/avmetricevent.md)
- [AVMetricErrorEvent](avfoundation/avmetricerrorevent.md)
- [Metric event types](avfoundation/metric-event-types.md)