If non-empty, the placeholder to be shown in the input field when the keyboard is active; 0-64 characters.
Optional
is_True, if the keyboard is expected to always be shown when the ordinary keyboard is hidden.
Optional
is_True, if the keyboard must automatically be shown to the current user. For outgoing messages, specify true to show the keyboard only for the mentioned users and for the target user of a reply.
Optional
one_True, if the application needs to hide the keyboard after use.
Optional
resize_True, if the application needs to resize the keyboard vertically.
A list of rows of bot keyboard buttons.
Contains a custom keyboard layout to quickly reply to bots. Subtype of ReplyMarkup.