--- title: documentAttributeAudio description: documentAttributeAudio attributes, type and example --- ## Constructor: documentAttributeAudio [Back to constructors index](index.md) ### Attributes: | Name | Type | Required | |----------|:-------------:|---------:| |voice|[Bool](../types/Bool.md) | Optional| |duration|[int](../types/int.md) | Yes| |title|[string](../types/string.md) | Optional| |performer|[string](../types/string.md) | Optional| |waveform|[bytes](../types/bytes.md) | Optional| ### Type: [DocumentAttribute](../types/DocumentAttribute.md) ### Example: ``` $documentAttributeAudio = ['_' => 'documentAttributeAudio', 'voice' => Bool, 'duration' => int, 'title' => string, 'performer' => string, 'waveform' => bytes, ]; ``` Or, if you're into Lua: ``` documentAttributeAudio={_='documentAttributeAudio', voice=Bool, duration=int, title=string, performer=string, waveform=bytes, } ```