protected function wizardAddCollectionItem()
    {
        $this->validatePrompt('collection_id', $this->text('Collection ID'), 'collection_item');
        $this->validatePrompt('entity_id', $this->text('Entity ID'), 'collection_item');
        $this->validatePrompt('weight', $this->text('Weight'), 'collection_item', 0);
        $this->validatePrompt('status', $this->text('Status'), 'collection_item', 0);
        $this->validatePrompt('data', $this->text('Data'), 'collection_item');

        $this->validateComponent('collection_item');
        $this->addCollectionItem();
    }