New message content caption; pass null to remove caption; 0-getOption("message_caption_length_max") characters.
The chat the message belongs to.
Identifier of the ephemeral message.
Identifier of the user who received the message.
The new message reply markup; pass null if none.
Optional show_Pass true to show the caption above the media; otherwise, the caption will be shown below the media. May be true only for animation, photo, and video messages.
Edits the caption and reply markup of an ephemeral message sent by the bot; for bots only. Request type for Tdjson#editEphemeralMessageCaption.