--- title: decryptedMessageMediaAudio description: Audio file attached to a secret chat message. image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: decryptedMessageMediaAudio\_17 [Back to constructors index](index.md) Audio file attached to a secret chat message. ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |duration|[int](../types/int.md) | Yes|Audio duration in seconds| |mime\_type|[string](../types/string.md) | Yes|MIME-type of the audio file
Parameter added in [Layer 13](https://core.telegram.org/api/layers#layer-13).| |size|[int](../types/int.md) | Yes|File size| ### Type: [DecryptedMessageMedia](../types/DecryptedMessageMedia.md) ### Example: ```php $decryptedMessageMediaAudio_17 = ['_' => 'decryptedMessageMediaAudio', 'duration' => int, 'mime_type' => 'string', 'size' => int]; ``` Or, if you're into Lua: ```lua decryptedMessageMediaAudio_17={_='decryptedMessageMediaAudio', duration=int, mime_type='string', size=int} ```