Best for modifying data (e.g., adding a default role) before it hits the database. Runs after the user is created.
This is the standard approach to identify a vs. an existing user being updated. drupal-8-user-register-hook
[Solved] How to hook into Commerce after payment complete - Drupal Best for modifying data (e
Use this for actions that require the new User ID, like sending a custom welcome email or creating related profile entries. Modifies the registration form . Best for modifying data (e.g.