Title: Additional Products (Subscription)
Last modified: June 18, 2026

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# Additional Products (Subscription)

 *  Resolved [davidwjw](https://wordpress.org/support/users/davidwjw/)
 * (@davidwjw)
 * [4 weeks ago](https://wordpress.org/support/topic/additional-products-subscription/)
 * Hello,
 * Loving your plug-in so far. It’s so easy to use and appreciate you delevoping
   it. I currently have a subscription box plug-in that has your main product but
   within that product there are sub products. At the moment the PDF is showing 
   the name of the subscription box (single product). Is there any setting that 
   can show all the items within the box also on the PDF?
 *  I will be giving your plug-in a great review.
 * Regards, David W.

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Contributor [dwpriv](https://wordpress.org/support/users/dwpriv/)
 * (@dwpriv)
 * [3 weeks, 5 days ago](https://wordpress.org/support/topic/additional-products-subscription/#post-18943141)
 * If these are custom data for the products, you can try [the guide here](https://docs.wpovernight.com/woocommerce-pdf-invoices-packing-slips/displaying-product-custom-fields/)
   to print them with a code snippet.
 *  Thread Starter [davidwjw](https://wordpress.org/support/users/davidwjw/)
 * (@davidwjw)
 * [3 weeks, 1 day ago](https://wordpress.org/support/topic/additional-products-subscription/#post-18946422)
 * Thank you for your reply. We managed to create a MU Plugin to help with this.
 * The key finding was that the subscription box contents were not stored as normal
   product custom fields. They were stored on the WooCommerce order line item by
   YITH, inside the order item meta `_subscription_info`, specifically under `box_data['
   content']`.
 * Our plugin hooks into the WP Overnight PDF invoice output using:
 * `wpo_wcpdf_after_item_meta`
 * That hook runs underneath each product line on the PDF invoice. For each invoice
   line item, we check whether the WooCommerce order item has YITH subscription 
   box content data. If it does, we read the selected products and quantities from
   the order item meta, load the product names/images, and print them underneath
   the parent subscription box product on the invoice.

Viewing 2 replies - 1 through 2 (of 2 total)

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 * ![](https://ps.w.org/woocommerce-pdf-invoices-packing-slips/assets/icon-256x256.
   png?rev=2189942)
 * [PDF Invoices & Packing Slips for WooCommerce](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/woocommerce-pdf-invoices-packing-slips/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/)
 * [Active Topics](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/woocommerce-pdf-invoices-packing-slips/unresolved/)
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## Tags

 * [subscription box](https://wordpress.org/support/topic-tag/subscription-box/)

 * 2 replies
 * 2 participants
 * Last reply from: [davidwjw](https://wordpress.org/support/users/davidwjw/)
 * Last activity: [3 weeks, 1 day ago](https://wordpress.org/support/topic/additional-products-subscription/#post-18946422)
 * Status: resolved