ChatMenuCallback

This object represents an incoming callback query from a callback button associated with a normal keypad menu.

Field	Type	Required	Description
button_callback	String	Yes	Unique identifier for button as defined by bot.
menu_ref	String	Yes	Menu Unique identifier defined by bot where button belongs to.
from	User	Yes	Sender User who pressed the button.
chat	Chat	Yes	Conversation the message belongs to.
date	Long	Yes	Long date format in milliseconds
next_menu	IntegerString	Optional	The menu to navigate to it when the button pressed.
button_query_result	ButtonQueryResult	Optional	Returned inquiry information from app. The field either will return "Location" in form of longitude and latitude respectively as comma separated. "Phone number" depends on the buttonQuery.