--- /dev/null
+<?php
+
+/**
+ * @file
+ * Contains hook implementations for Entity Operation Test Module.
+ */
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Url;
+
+/**
+ * Implements hook_entity_operation().
+ */
+function entity_test_operation_entity_operation(EntityInterface $entity) {
+ return [
+ 'test' => [
+ 'title' => t('Front page'),
+ 'url' => Url::fromRoute('<front>'),
+ 'weight' => 0,
+ ],
+ ];
+}