src/DispatcherAwareTrait.php
final public function dispatch($name, EventInterface $event)
    {
        if ($this->hasDispatcher()) {
            $this->getDispatcher()->dispatch($name, $event);
            return true;
        }
        return false;
    }
final public function dispatch($name, EventInterface $event)
    {
        if ($this->hasDispatcher()) {
            $this->getDispatcher()->dispatch($name, $event);
            return true;
        }
        return false;
    }
Dispatch an event if the dispatcher is loaded
@param string $name event name to dispatch
@param EventInterface $event
@return boolean