Optionalbusiness_Unique identifier of the business connection on behalf of which the action will be sent
Unique identifier for the target chat or username of the target bot, supergroup or channel in the format @username. Channel chats and channel direct messages chats aren't supported.
Optionalmessage_Unique identifier for the target message thread or topic of a forum; for supergroups and private chats of bots with forum topic mode enabled only
Type of action to broadcast. Choose one, depending on what the user is about to receive: typing for text messages, upload_photo for photos, record_video or upload_video for videos, record_voice or upload_voice for voice notes, upload_document for general files, choose_sticker for stickers, find_location for location data, record_video_note or upload_video_note for video notes.