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# CHHapticAdvancedPatternPlayer

A protocol that defines an advanced pattern player capable of looping, seeking, pausing, and resuming haptic playback.

```
protocol CHHapticAdvancedPatternPlayer : CHHapticPatternPlayer
```

## Overview

Create instances of this pattern player through a [`CHHapticEngine`](/documentation/CoreHaptics/CHHapticEngine) object by calling a factory method such as [`makeAdvancedPlayer(with:)`](/documentation/CoreHaptics/CHHapticEngine/makeAdvancedPlayer(with:)). When you ask an advanced pattern player to play, pause, or resume a haptic pattern, the player submits those commands to the haptic engine on your behalf.

Unlike [`CHHapticPatternPlayer`](/documentation/CoreHaptics/CHHapticPatternPlayer), the advanced pattern player supports looping of haptic and audio patterns, by setting [`loopEnabled`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/loopEnabled). The advanced pattern player can also call a block when the player finishes, through its [`completionHandler`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/completionHandler) property.

## Topics

### Setting Playback Properties

[`loopEnabled`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/loopEnabled)

A Boolean that determines whether the haptic repeats itself on completion.

[`loopEnd`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/loopEnd)

The time at which to end looping haptic playback.

[`playbackRate`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/playbackRate)

The playback rate of the haptic player.

[`completionHandler`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/completionHandler)

A completion block that runs after the haptic finishes playing.

[`CHHapticAdvancedPatternPlayerCompletionHandler`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayerCompletionHandler)

A typealias for the completion handler to run after a haptic finishes playback.

### Controlling Playback

[`pause(atTime:)`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/pause(atTime:))

Pauses the haptic player during playback.

[`resume(atTime:)`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/resume(atTime:))

Resumes playing a paused haptic.

[`seek(toOffset:)`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/seek(toOffset:))

Jumps to the specified offset time in playing the haptic.

### Silencing Haptic Playback

[`isMuted`](/documentation/CoreHaptics/CHHapticAdvancedPatternPlayer/isMuted)

A Boolean value that indicates whether to silences all haptic and audio output from the player.


---

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