Instalacja modułu

composer require 'drupal/autofill:^1.2'
vendor/bin/drush en -y autofill

DDEV

ddev composer require 'drupal/autofill:^1.2'
ddev drush en -y autofill
  1. Open the "Manage form display" configuration for your designated content type
  2. Click on the widget settings icon for the field that should be autofilled
  3. Enable "Autofill from another field"
  4. Select the source field from which the field should be autofilled