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On . By CodimTh
Category:

In this article, I'll show you how to create or update entity operations links in Drupal 8 by using hook_entity_operation.

Suppose I want to add custom operation and link it to my own page, but only for article content type. I can do it by implementing hook_entity_operation link following.

/**
 * Implements hook_entity_operation().
 */
function MODULENAME_entity_operation_alter(array &$operations, EntityInterface $entity) {
    $entityTypeId = $entity->getEntityTypeId();
    if ($entityTypeId !== 'node') {
        return;
    }
    $nodeType = $entity->getType();
    $nodeId = $entity->id();
    if ($nodeType === 'article') {
        // add custom operation
        $editUrl = Url::fromRoute('entity.node.edit_form', ['node' => $nodeId]);
        $operations['custom_operation'] = array(
            'title' => t('Custom'),
            'weight' => 20,
            'url' => $editUrl,
        );
    }
}
custom operation link

also using hook_entity_operation, you can modify any entity operations links, for example modify the article edit operation and link it to your own page.

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