Acl\Model\Behavior\AclBehavior::afterSave PHP Method

    public function afterSave(Event $event, Entity $entity)
    {
        $model = $event->subject();
        $types = $this->_typeMaps[$this->config('type')];
        if (!is_array($types)) {
            $types = [$types];
        }
        foreach ($types as $type) {
            $parent = $entity->parentNode();
            if (!empty($parent)) {
                $parent = $this->node($parent, $type)->first();
            }
            $data = ['parent_id' => isset($parent->id) ? $parent->id : null, 'model' => $model->alias(), 'foreign_key' => $entity->id];
            if (!$entity->isNew()) {
                $node = $this->node($entity, $type)->first();
                $data['id'] = isset($node->id) ? $node->id : null;
                $newData = $model->{$type}->patchEntity($node, $data);
            } else {
                $newData = $model->{$type}->newEntity($data);
            }
            $saved = $model->{$type}->target()->save($newData);
        }
    }