unpin_all_chat_messages

template<class Agent>
api_result<boolean_t, Agent&&> unpin_all_chat_messages(Agent &&agent, unpin_all_chat_messages_args_t args)

template<class Agent, class F>
void unpin_all_chat_messages(Agent &&agent, unpin_all_chat_messages_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 clear the list of pinned messages in a chat. If the chat is not a private chat, the bot must be an administrator in the chat for this to work and must have the ‘can_pin_messages’ administrator right in a supergroup or ‘can_edit_messages’ administrator right in a channel. Returns True on success.

struct unpin_all_chat_messages_args_t

Arguments that should be passed to unpin_all_chat_messages().

variant_t<integer_t, string_t> chat_id

Unique identifier for the target chat or username of the target channel (in the format @channelusername)