The broadcast function broadcasts the given event to its listeners:
broadcast(new UserRegistered($user));

broadcast(new UserRegistered($user))->toOthers();
        }



        if (! empty(
$this->broadcastOn($event)) || ! empty($channels)) {

            return 
broadcast($instance->onChannels(Arr::wrap($channels)));

        }

    }
    public static function broadcast()

    {

        return 
broadcast(new static(...func_get_args()));

    }

}