Drupal 8 - How to add Automatic Entity Label support to ECK (Entity Construction Kit) created bundles

auto_entitylabel_eck_support.php

<?php

/**
 * Implements hook_entity_type_alter().
 */
function example_entity_type_alter(array &$entity_types)
{
  foreach ($entity_types as $entity_type) {
    if ($entity_type->getProvider() == 'eck' && !is_null($entity_type->getBundleOf())){
      $entity_type->setLinkTemplate('auto-label', $entity_type->getLinkTemplate('edit-form') . "/auto-label");
    }
  }
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function example_form_auto_entitylabel_settings_form_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state, $form_id) {
  $path = \Drupal::request()->getpathInfo();
  $arg  = explode('/',$path);
  if ($arg[2] == 'eck') {
    $form['auto_entitylabel']['token_help']['#token_types'][] = $arg[5];
  }
}