I've got a custom module weekly_digest and I want to make it so each new user is added to a table with info on their subscription preferences.

I've been using the admin UI to add the users to test, unsure if that effects things but I don't see why it would.

As some context, in my .module I currently have weekly_digest_node_insert and that works just fine.

And here is the function which does not get executed and I can't get Xdebug to catch it either:

function weekly_digest_user_insert(UserInterface $entity) {

  $query = Drupal::database()->insert('weekly_digest_user_preferences');


Most search results returned "Can't in theme" or "Drupal 7" so I was unable to figure this out.

1 Answer 1


It could be that you are using the incorrect argument. hook_ENTITY_TYPE_insert is a generic hook, it's not opinionated about what entity you are "inserting" (E.g. it could be a node, taxonomy, user...)


function weekly_digest_user_insert(\Drupal\Core\Entity\EntityInterface $entity) {
  // Do stuff.
  • Are you saying I should change my parameter type to an EntityInterface?
    – Derek C.
    Commented May 6, 2020 at 23:36
  • Yes, unless I am mistaken, I believe that is the correct approach.
    – 100pic
    Commented May 7, 2020 at 0:52
  • I will try this out tomorrow and let you know!
    – Derek C.
    Commented May 7, 2020 at 1:44
  • Yep that worked. I know I've seen others use UserInterface there but perhaps it was a drupal 7 site or something.
    – Derek C.
    Commented May 7, 2020 at 15:34

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