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# AudioSessionSetProperty(_:_:_:)

Sets the value of a specified audio session property.

```
func AudioSessionSetProperty(_ inID: AudioSessionPropertyID, _ inDataSize: UInt32, _ inData: UnsafeRawPointer!) -> OSStatus
```

## Parameters

`inID`

The identifier for the audio session property that you want to set the value of.

`inDataSize`

The size, in bytes, of the value in the `inData` parameter.

`inData`

The value that you are applying to the specified audio session property.

## Return Value

A result code. See Result Codes.

## Discussion

Audio session properties are listed and described in [Audio Session Property Identifiers](/documentation/AudioToolbox/1618455-audio-session-property-identifie).

## See Also

[`AudioSessionGetProperty(_:_:_:)`](/documentation/AudioToolbox/AudioSessionGetProperty(_:_:_:))

Gets the value of a specified audio session property.

[`AudioSessionGetPropertySize(_:_:)`](/documentation/AudioToolbox/AudioSessionGetPropertySize(_:_:))

Gets the size of the value for a specified audio session property.



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