Optionalallow_Optionalbusiness_Unique identifier of the business connection on behalf of which the message will be sent
OptionalcaptionVoice message caption, 0-1024 characters after entities parsing
Optionalcaption_A JSON-serialized list of special entities that appear in the caption, which can be specified instead of parse_mode
Unique identifier for the target chat or username of the target bot, supergroup or channel in the format @username
Optionaldirect_Identifier of the direct messages topic to which the message will be sent; required if the message is sent to a direct messages chat
Optionaldisable_Sends the message silently. Users will receive a notification with no sound.
OptionaldurationDuration of the voice message in seconds
Optionalmessage_Unique identifier of the message effect to be added to the message; for private chats only
Optionalmessage_Unique identifier for the target message thread (topic) of a forum; for forum supergroups and private chats of bots with forum topic mode enabled only
Optionalparse_Mode for parsing entities in the voice message caption. See formatting options for more details.
Optionalprotect_Protects the contents of the sent message from forwarding and saving
Optionalreply_Additional interface options. A JSON-serialized object for an inline keyboard, custom reply keyboard, instructions to remove a reply keyboard or to force a reply from the user
Optionalreply_Description of the message to reply to
Optionalsuggested_A JSON-serialized object containing the parameters of the suggested post to send; for direct messages chats only. If the message is sent as a reply to another suggested post, then that suggested post is automatically declined.
Audio file to send. Pass a file_id as String to send a file that exists on the Telegram servers (recommended), pass an HTTP URL as a String for Telegram to get a file from the Internet, or upload a new one using multipart/form-data. More information on Sending Files: https://core.telegram.org/bots/api#sending-files
Pass True to allow up to 1000 messages per second, ignoring broadcasting limits for a fee of 0.1 Telegram Stars per message. The relevant Stars will be withdrawn from the bot's balance.