--- title: inputMessageVoice description: Voice message --- ## Constructor: inputMessageVoice [Back to constructors index](index.md) Voice message ### Attributes: | Name | Type | Required | Description | |----------|:-------------:|:--------:|------------:| |voice|[InputFile](../types/InputFile.md) | Yes|Voice file to send| |duration|[int](../types/int.md) | Yes|Duration of voice in seconds| |waveform|[bytes](../types/bytes.md) | Yes|Waveform representation of the voice in 5-bit format| |caption|[string](../types/string.md) | Yes|Voice caption, 0-200 characters| ### Type: [InputMessageContent](../types/InputMessageContent.md) ### Example: ``` $inputMessageVoice = ['_' => 'inputMessageVoice', 'voice' => InputFile, 'duration' => int, 'waveform' => 'bytes', 'caption' => 'string']; ``` [PWRTelegram](https://pwrtelegram.xyz) json-encoded version: ``` {"_": "inputMessageVoice", "voice": InputFile, "duration": int, "waveform": "bytes", "caption": "string"} ``` Or, if you're into Lua: ``` inputMessageVoice={_='inputMessageVoice', voice=InputFile, duration=int, waveform='bytes', caption='string'} ```