| answerCallbackQuery | R Documentation | 
Use this method to send answers to callback queries sent from inline
keyboards. The answer will be displayed to the user as a notification at the
top of the chat screen or as an alert. On success, TRUE is returned.
answerCallbackQuery( callback_query_id, text = NULL, show_alert = FALSE, url = NULL, cache_time = NULL )
callback_query_id | 
 Unique identifier for the query to be answered.  | 
text | 
 (Optional). Text of the notification. If not specified, nothing will be shown to the user, 0-200 characters.  | 
show_alert | 
 (Optional). If   | 
url | 
 (Optional). URL that will be opened by the user's client.  | 
cache_time | 
 (Optional). The maximum amount of time in seconds that the result of the callback query may be cached client-side. Telegram apps will support caching starting in version 3.14. Defaults to 0.  | 
You can also use it's snake_case equivalent answer_callback_query.
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