WordPress at a glance
action is not described

action_scheduler/migrated_action action-hook . WC 1.0

could not delete from the old store

Usage

add_action( 'action_scheduler/migrated_action', 'action_function_name_5691', 10, 4 );
function action_function_name_5691( $source_action_id, $destination_action_id, $source, $destination ){
	// action...
}
$source_action_id
-
$destination_action_id
-
$source
-
$destination
-

Where the hook is called

ActionMigrator::migrate()
action_scheduler/migrated_action
woocommerce/packages/action-scheduler/classes/migration/ActionMigrator.php 104
do_action( 'action_scheduler/migrated_action', $source_action_id, $destination_action_id, $this->source, $this->destination );
woocommerce/packages/action-scheduler/classes/migration/ActionMigrator.php 97
do_action( 'action_scheduler/migrated_action', $source_action_id, $destination_action_id, $this->source, $this->destination );

Where in WP core the hook is used WooCommerce

woocommerce/packages/action-scheduler/classes/WP_CLI/Migration_Command.php 138
add_action( 'action_scheduler/migrated_action', function ( $source_id, $destination_id ) {