cardinal_service_profile.install
<?php
/**
* @file
* stanford_profile.install
*/
/**
* Save the system pages from the original config values into state.
*/
function cardinal_service_profile_update_8002() {
$state = \Drupal::state();
$state->set('stanford_profile.403_page', '/node/3');
$state->set('stanford_profile.404_page', '/node/2');
$state->set('stanford_profile.front_page', '/node/1');
}