Optionalcache_Unique identifier for the query to be answered.
Optionalshow_If True, an alert will be shown by the client instead of a notification at the top of the chat screen. Defaults to false.
OptionaltextText of the notification. If not specified, nothing will be shown to the user, 0-200 characters.
OptionalurlURL that will be opened by the user's client.
The maximum amount of time in seconds that the result of the callback query may be cached client-side. Defaults to 0.