--- title: "decryptedMessageMediaAudio" description: "Audio file attached to a secret chat message." nav_exclude: true image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: decryptedMessageMediaAudio\_17 [Back to constructors index](/API_docs/constructors/index.html) Audio file attached to a secret chat message. ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |duration|[int](/API_docs/types/int.html) | Yes|Audio duration in seconds| |mime\_type|[string](/API_docs/types/string.html) | Yes|MIME-type of the audio file
Parameter added in Layer 13.| |size|[int](/API_docs/types/int.html) | Yes|File size| ### Type: [DecryptedMessageMedia](/API_docs/types/DecryptedMessageMedia.html) ### Example: ``` $decryptedMessageMediaAudio_17 = ['_' => 'decryptedMessageMediaAudio', 'duration' => int, 'mime_type' => 'string', 'size' => int]; ```