dcco-8.x-3.x-dev/modules/dcco_session/dcco_session.install

<?php

/**
 * @file
 * Install and update scripts.
 */

use Drupal\Core\Session\AccountInterface;

/**
 * Implements hook_install().
 */
function dcco_session_install() {
  // Allow authenticated users to manage own payment methods.
  user_role_grant_permissions(AccountInterface::AUTHENTICATED_ROLE, [
    'manage dcco session schedule',
  ]);
}