Drupal-8-user-register-hook

Inside presave , always call $user->isNew() to ensure your code only runs during initial registration rather than every time a profile is updated.

Use this to add custom fields or validation logic (e.g., matching a secondary database). рџ’» Code Example: hook_user_presave drupal-8-user-register-hook

This is the standard approach to identify a vs. an existing user being updated. Inside presave , always call $user->isNew() to ensure

Do you need help on the registration form, or are you looking to redirect users after they sign up? drupal-8-user-register-hook