I have a Drupal 8 site with the Flag module.

I want when a user creates or updates a node, product, store, group, ... the updated entity is flagged.

How to flag an entity when it is created or updated ?

I'm testing the "Rules" module which is finally (usable) in production.

But how do you flag down a new entity when it is created ?

What should be put in "Action", because it is no longer like in Drual 7 with an interface.

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  • Have you looked into the Rules module?
    – bleen
    Commented Sep 10, 2020 at 19:31
  • Might this be a duplicate of: drupal.stackexchange.com/questions/2076/…
    – bleen
    Commented Sep 10, 2020 at 19:32
  • 1
    @bleen Yes, but the Rules module seems completely dead, it's been years since there is a stable version and I don't dare install it on my non-production site.
    – sdfff
    Commented Sep 10, 2020 at 20:24
  • @bleen Can the "Actions" module do this ?
    – sdfff
    Commented Sep 10, 2020 at 20:29
  • @sdiff your statement is completely false and misleading - Rules is extremely active and under development, and is even compatible with D9 and is used by tens of thousands of sites. This posters task is trivial with Rules.
    – anonymous
    Commented Sep 10, 2020 at 22:37

1 Answer 1


You can use HOOK_entity_presave to trigger when node gets created. I updated code for you. Make sure that you change the capital letters to correct values.

function MODULENAME_entity_update(Drupal\Core\Entity\EntityInterface $entity) {
  // Check which content type would you like to flag.
  // You can use https://www.php.net/manual/en/function.in-array.php to check for 
  // multiple content types
  if (in_array($entity->bundle(), ['mycontentype1', 'mycontentype2'])) {
    $flag_id = 'yourflagname';
    $flag_service = \Drupal::service('flag');
    $flag = $flag_service->getFlagById($flag_id);
    // Flag an entity with a specific flag.
    // https://www.drupal.org/docs/drupal-apis/entity-api/introduction-to-entity-api-in-drupal-8
    $flag_service->flag($flag, $entity);
  • Thanks, but I'll try to do this from the Drupal 8 interface.
    – sdfff
    Commented Sep 10, 2020 at 23:22
  • I don't know programming very well. I know how to create the base of a module, but what should the module file contain ?
    – sdfff
    Commented Sep 12, 2020 at 15:16
  • @sdfff I updated the code for you.
    – Ales
    Commented Sep 12, 2020 at 16:00
  • Thanks, I just created a module with your code, but I have 2 PHP error when I register a node ibb.co/2q8YgXp ibb.co/fGwxXGx ibb.co/4dWRpJr
    – sdfff
    Commented Sep 12, 2020 at 17:24
  • is the content already flagged? than maybe need to add another check
    – Ales
    Commented Sep 12, 2020 at 17:37

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