WordPress at a glance
filter is not described

woocommerce_order_get_downloadable_items filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_order_get_downloadable_items', 'filter_function_name_7317', 10, 2 );
function filter_function_name_7317( $downloads, $that ){
	// filter...

	return $downloads;
}
$downloads
-
$that
-

Where the hook is called

WC_Order::get_downloadable_items()
woocommerce_order_get_downloadable_items
woocommerce/includes/class-wc-order.php 1489
return apply_filters( 'woocommerce_order_get_downloadable_items', $downloads, $this );

Where in WP core the hook is used WooCommerce

Usage not found.