I want to create a single node of content type XYZ for each user upon registration.

I tried to use hook_user_insert() (hook_entity_insert()), but this doesn't work because when I set the nid to the uid, the uid is still 0 (anonymous user), and the node needs to be assigned to the newly created account. (NOTE: This was my misunderstanding, see below.)

I want to create the nodes upon account creation because each user should have only one node of this content type.

In Drupal 7, I managed to do this in Rules using a rule set in which I saved the user account and then created the new node. Since Rules isn't in beta for Drupal 8 yet, I am trying to do this programmatically.

Here is the code I am using:

function MYMODULE_user_insert(Drupal\Core\Entity\EntityInterface $entity) {
  $user = \Drupal::currentUser();
  $profile = Node::create(['type' => 'userprofilenode']);
  $profile->set('uid', $user->id());

As noted in 4k4's answer, $entity already has a UID. The problem is that I mistakenly introduced the current user, which is 0 (anonymous).

  • Did you try hook_entity_presave()? Something like this /** * Implements hook_entity_presave(). */ function my_module_entity_presave($entity) { if (($entity instanceof UserInterface) { $uid = $entity->id(); ... } else { return; } } – Rockabelly Oct 14 '17 at 11:10
  • Of course, you might need to check if it is a new user $entity->isNew() or/and if the user has a specific role $entity->hasRole($rid). – Rockabelly Oct 14 '17 at 14:00

In an insert hook the user is already saved and should have an user id. So creating a node and assigning it to the new user as author should be no problem:

 * Implements hook_ENTITY_TYPE_insert() for user entities.
 * Adds a first node for a new user
function mymodule_user_insert(\Drupal\user\UserInterface $user) {
    'type' => 'XYZ',
    'title' => 'First node for user #' . $user->id(),
    'uid' => $user->id(),

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