<!--
{
  "availability" : [
    "iOS: 15.0.0 -",
    "iPadOS: 15.0.0 -",
    "macCatalyst: 15.0.0 -",
    "macOS: 12.0.0 -",
    "tvOS: 15.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AVFoundation",
  "identifier" : "/documentation/AVFoundation/AVDelegatingPlaybackCoordinatorBufferingCommand",
  "metadataVersion" : "0.1.0",
  "role" : "Class",
  "symbol" : {
    "kind" : "Class",
    "modules" : [
      "AVFoundation"
    ],
    "preciseIdentifier" : "c:objc(cs)AVDelegatingPlaybackCoordinatorBufferingCommand"
  },
  "title" : "AVDelegatingPlaybackCoordinatorBufferingCommand"
}
-->

# AVDelegatingPlaybackCoordinatorBufferingCommand

A command that indicates to start buffering data in preparation for playback.

```
class AVDelegatingPlaybackCoordinatorBufferingCommand
```

## Overview

When your app receives this command, update its user interface to indicate that playback is buffering.

## Topics

### Accessing command details

[`anticipatedPlaybackRate`](/documentation/AVFoundation/AVDelegatingPlaybackCoordinatorBufferingCommand/anticipatedPlaybackRate)

The rate at which the coordinator expects the current item to play.

[`completionDueDate`](/documentation/AVFoundation/AVDelegatingPlaybackCoordinatorBufferingCommand/completionDueDate)

The deadline by which the coordinator expects the delegate to complete execution of a command.

## Relationships

### Conforms To

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Sendable`](/documentation/Swift/Sendable)

[`Hashable`](/documentation/Swift/Hashable)

[`CVarArg`](/documentation/Swift/CVarArg)

[`Equatable`](/documentation/Swift/Equatable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

### Inherits From

[`AVDelegatingPlaybackCoordinatorPlaybackControlCommand`](/documentation/AVFoundation/AVDelegatingPlaybackCoordinatorPlaybackControlCommand)

---

Copyright &copy; 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)