Customer/Order CSV Export: Override Storage Method

functions.php

<?php

function override_csv_export_storage_method( $args ) {

	// use the legacy filesystem data store
	// $args['storage_method'] = 'filesystem';
	
	// use a new, custom data store
	$args['storage_method'] = 'my-custom-data-store';
	
	return $args;
}
add_filter( 'wc_customer_order_csv_export_start_export_args', 'override_csv_export_storage_method' );