get_chat_menu_button

template<class Agent>
api_result<menu_button_t, Agent&&> get_chat_menu_button(Agent &&agent, get_chat_menu_button_args_t args)
template<class Agent, class F>
void get_chat_menu_button(Agent &&agent, get_chat_menu_button_args_t args, F &&callback)

agent is any object satisfying agent concept.

callback is any callable object accepting expected<menu_button_t>.

Use this method to get the current value of the bot’s menu button in a private chat, or the default menu button. Returns MenuButton on success.

struct get_chat_menu_button_args_t

Arguments that should be passed to get_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 returned