Add event prefix and object

Author: sprankhub

app/code/Magento/Catalog/Model/ResourceModel/Product/Option/Value/Collection.php

@@ -14,6 +14,20 @@
  */
 class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
 {
+    /**
+     * Name prefix of events that are dispatched by model
+     *
+     * @var string
+     */
+    protected $_eventPrefix = 'catalog_product_option_value_collection';
+
+    /**
+     * Name of event parameter
+     *
+     * @var string
+     */
+    protected $_eventObject = 'product_option_value_collection';
+
     /**
      * Resource initialization
      *