--- /dev/null
+/**
+ * Implements hook_user_format_name_alter().
+ */
+function {{ machine_name }}_user_format_name_alter(&$name, $account) {
+ // Display the user's uid instead of name.
+ if ($account->id()) {
+ $name = t('User @uid', ['@uid' => $account->id()]);
+ }
+}