wp_(blog_id)_wc_updater_cron action-hookWC 1.0

Usage

add_action( 'wp_(blog_id)_wc_updater_cron', 'wp_kama_blog_id_wc_updater_cron_action' );

/**
 * Function for `wp_(blog_id)_wc_updater_cron` action-hook.
 * 
 * @return void
 */
function wp_kama_blog_id_wc_updater_cron_action(){

	// action...
}

Where the hook is called

WC_REST_System_Status_Tools_V2_Controller::execute_tool()
wp_(blog_id)_wc_updater_cron

Where the hook is used in WooCommerce

woocommerce/includes/class-wc-install.php 330
add_action( 'wp_' . $blog_id . '_wc_updater_cron', array( __CLASS__, 'run_manual_database_update' ) );