---
title: AVMergedMetrics
framework: avfoundation
role: symbol
role_heading: Structure
path: avfoundation/avmergedmetrics
---

# AVMergedMetrics

An asynchronous stream of metric information from different publishers.

## Declaration

```swift
struct AVMergedMetrics<MetricEvent1, MetricEvent2, each MetricEventPack> where MetricEvent1 : AVMetricEvent, MetricEvent2 : AVMetricEvent, repeat each MetricEventPack : AVMetricEvent
```

## Relationships

### Conforms To

- [AsyncSequence](swift/asyncsequence.md)

## See Also

### Metrics

- [AVMetrics](avfoundation/avmetrics.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)