Identifier of the chat to which the message belongs.
Identifier of the message.
Tone of the summarization; see translateText.tone for the list of supported values.
Pass a language code to which the summary will be translated; pass an empty string if translation isn't needed. See translateText.to_language_code for the list of supported values.
Summarizes content of the message with non-empty summary_language_code. Request type for Tdjson#summarizeMessage.