Switch user sessions using Account Switcher service By editor, 23 May, 2018 Question How to switch user sessions using account switcher (account_switcher) service ? Example: use Drupal\Core\Session\UserSession; // // Call the account switcher service $accountSwitcher = \Drupal::service('account_switcher'); // Switch to the admin user $accountSwitcher->switchTo(new \Drupal\Core\Session\UserSession(['uid' => 1])); // // Your Code Here... // // Switch back to old session. $accountSwitcher->switchBack(); Tags Drupal 8 Code Services