# AVMetrics An asynchronous stream of metric information. ``` struct AVMetrics where MetricEvent : AVMetricEvent ``` ## Topics ### Merging metrics [`chronologicalMerge(with:_:)`](/documentation/AVFoundation/AVMetrics/chronologicalMerge(with:_:)) ## Relationships ### Conforms To [`AsyncSequence`](/documentation/Swift/AsyncSequence) [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Sendable`](/documentation/Swift/Sendable) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)