{$this->cron_hook_identifier}

do_action( "{$this->cron_hook_identifier}" )

Based on https://github.com/woocommerce/woocommerce/blob/master/includes/abstracts/class-wc-background-process.php & https://github.com/woocommerce/woocommerce/blob/master/includes/class-wc-background-updater.php

Source

core/base/background-task.php

Used By

core/base/background-task.php: Background_Task::continue_run()