--- title: documentAttributeAudio description: Document attribute audio image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: documentAttributeAudio [Back to constructors index](index.md) Document attribute audio ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |voice|[Bool](../types/Bool.md) | Optional|Voice?| |duration|[int](../types/int.md) | Optional|Duration| |title|[string](../types/string.md) | Optional|Title| |performer|[string](../types/string.md) | Optional|Performer| |waveform|[bytes](../types/bytes.md) | Optional|Waveform| ### Type: [DocumentAttribute](../types/DocumentAttribute.md) ### Example: ```php $documentAttributeAudio = ['_' => 'documentAttributeAudio', 'voice' => Bool, 'duration' => int, 'title' => 'string', 'performer' => 'string', 'waveform' => 'bytes']; ``` Or, if you're into Lua: ```lua documentAttributeAudio={_='documentAttributeAudio', voice=Bool, duration=int, title='string', performer='string', waveform='bytes'} ```