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smeys avatar Drupal

Do something when a content is saved

lc flag
smeys

I'm a total beginner in module coding and i'm trying to adapt a simple D7 module which is updating a field from a content type from an external API when the content is created or modified.

On an fresh D9 install, i've created a module named : edu_module

Created a folder /custom/edu_module in the module directory

Created a edu_module.info.yml

Activated the module => OK

and at last created an edu_module.module file with this code :

use Drupal\Core\Entity\EntityInterface;

function edu_module_entity_update(Drupal\Core\Entity\EntityInterface $entity) {
  \Drupal::logger('edu_module')->alert('page updated by me');
  \Drupal::messenger()->addMessage('Page has been updtaed by me: ' . $entity->title->value);
}

And nothing happen. I've tried two different way to obtain information (logger & messenger) but i have no results. I think hook is probably not fired but why not ? Can anyone help ?

Thanks for your help.

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cn flag
Patrick Kenny
After adding a hook to a module, you need to clear the Drupal cache at least once for the hook to start working.
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smeys avatar
lc flag
smeys
Thanks, i feel a bit stupid :) I've done multiple try and cache what not cleared on this last one.
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