Optional
captionCaption, 0-1024 characters after entities parsing
Optional
captionList of special entities that appear in the caption, which can be specified instead of parseMode
Unique identifier for this result, 1-64 bytes
Optional
inputContent of the message to be sent instead of the voice recording
Optional
parseMode for parsing entities in the voice message caption. See formatting options for more details.
Optional
replyInline keyboard attached to the message
Recording title
Type of the result, must be voice
Optional
voiceRecording duration in seconds
A valid URL for the voice recording
Represents a link to a voice recording in an .OGG container encoded with OPUS. By default, this voice recording will be sent by the user. Alternatively, you can use inputMessageContent to send a message with the specified content instead of the the voice message.
Note: This will only work in Telegram versions released after 9 April, 2016. Older clients will ignore them.