# Frequently Bought Together Function (Bundle Products)

<figure><img src="https://684475164-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqscUgPkTIpsIESKMa0Of%2Fuploads%2FlM5SMGTpsLmEdaJ8rGKc%2Fimage.png?alt=media&#x26;token=68f68d3a-e539-4df6-8d24-578154568e1f" alt=""><figcaption></figcaption></figure>

There are 2 options for you to choose which products are used in the Frequently Bought Together:

* Using Related Product.
* Using Product ID.

**01. Using Related Product**

To show **Frequently Bought Together** on Product Detail, In the Admin panel -> Go to **Products** -> **View** -> click button **Choose a product you want to apply Frequently Bought Together** -> **Custom Fields**.

To pull products from your Related Products, create the following custom field:

&#x20;   \+ Custom Field Name:  **\_\_bundle**

&#x20;   \+ Custom Field Value:  **related products**

{% hint style="info" %}
\* Note:

* The first product will always be the Product of the page you are on. The next products will be pulled from this product's first Related Products.
* You can either let BigCommerce select a Product's Related Products randomly or you can manually choose which products to display.
* Refer this link: <https://support.bigcommerce.com/s/article/Setting-Up-Related-Products> for your reference about Related Products.
  {% endhint %}

**02. Using Product ID**

To pull products from your Related Products, create the following custom field:

&#x20;   \+ Custom Field Name:  **\_\_bundleid**

&#x20;   \+ Custom Field Value:  **the number of your product id**. Example: 100,101,102 (they are Product ID), use the comma to separate them

<figure><img src="https://content.gitbook.com/content/qscUgPkTIpsIESKMa0Of/blobs/mzyu0cemZ2lwD4bHbiUK/image.png" alt=""><figcaption></figcaption></figure>

**How do I get Product ID of a product?**

* Please follow this instruction image:

<figure><img src="https://684475164-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FqscUgPkTIpsIESKMa0Of%2Fuploads%2FSzwy3VBUSXicHr6ZLVJ6%2Fimage.png?alt=media&#x26;token=bac2feb1-5891-4ecb-b750-b1575e8a27ef" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
When you are happy with your changes, don't forget click **Save** and **Publish** to repackage the edited theme.
{% endhint %}