KeyboardButton
This object represents one button of the reply keyboard. At most one of the fields other than text, icon_custom_emoji_id, and style must be used to specify the type of the button. For simple text buttons, String can be used instead of this object to specify the button text.
Type
ts
KeyboardButton.CommonButton | KeyboardButton.RequestUsersButton | KeyboardButton.RequestChatButton | KeyboardButton.RequestContactButton | KeyboardButton.RequestLocationButton | KeyboardButton.RequestPollButton | KeyboardButton.WebAppButton | string