woocommerce_file_download_filename │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_file_download_filename', 'wp_kama_woocommerce_file_download_filename_filter', 10, 2 );

/**
 * Function for `woocommerce_file_download_filename` filter-hook.
 * 
 * @param  $filename   
 * @param  $product_id 
 *
 * @return 
 */
function wp_kama_woocommerce_file_download_filename_filter( $filename, $product_id ){

	// filter...
	return $filename;
}

$filename

-

$product_id

-

Where the hook is called

$response->data['file_name'] = apply_filters( 'woocommerce_file_download_filename', $filename, $product_id );

$filename = apply_filters( 'woocommerce_file_download_filename', $filename, $product_id );

Where the hook is used in WooCommerce