set_chat_menu_button

template<class Agent>
api_result<boolean_t, Agent&&> set_chat_menu_button(Agent &&agent, set_chat_menu_button_args_t args)

template<class Agent, class F>
void set_chat_menu_button(Agent &&agent, set_chat_menu_button_args_t args, F &&callback)

agent is any object satisfying agent concept.

callback is any callable object accepting expected<boolean_t>.

Use this method to change the bot’s menu button in a private chat, or the default menu button. Returns True on success.

struct set_chat_menu_button_args_t

Arguments that should be passed to set_chat_menu_button().

optional_t<integer_t> chat_id

Unique identifier for the target private chat. If not specified, default bot’s menu button will be changed

optional_t<menu_button_t> menu_button

A JSON-serialized object for the bot’s new menu button. Defaults to MenuButtonDefault