--- title: documentAttributeAudio description: documentAttributeAudio attributes, type and example image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: documentAttributeAudio [Back to constructors index](index.md) ### Attributes: | Name | Type | Required | |----------|---------------|----------| |voice|[Bool](../types/Bool.md) | Optional| |duration|[int](../types/int.md) | Optional| |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']; ``` [PWRTelegram](https://pwrtelegram.xyz) json-encoded version: ``` {"_": "documentAttributeAudio", "voice": Bool, "duration": int, "title": "string", "performer": "string", "waveform": {"_": "bytes", "bytes":"base64 encoded bytes"}} ``` Or, if you're into Lua: ``` documentAttributeAudio={_='documentAttributeAudio', voice=Bool, duration=int, title='string', performer='string', waveform='bytes'} ```