If you want to add custom taxonomies to your product variations, you can use the “woocommerce_single_variations_taxonomies” filter. An example how to add the product brand taxonomy can be found here:

/**
 * Add product_brand to taxonomies list for variations.
 *
 * @param array $taxonomies
 *
 * @return array
*/
add_filter( 'woocommerce_single_variations_taxonomies', 'add_custom_taxonomies', 10, 1 );
function add_custom_taxonomies( $taxonomies ) {
   $taxonomies[] = 'product_brand';
   return $taxonomies;
}

After you have placed this function in your child theme functions.php file. Make sure you click on “init” in plugin admin settings again.

10 thoughts on “Add custom Taxonomies to Single Variations

  1. Haavard H. says:

    Will this make the variations inherit the parent taxonomy values, or is it possible to set unique values per variation? For example a color attribute per single variation, without using this attribute to create the variation.

  2. File says:

    /**
    * Add product_brand to taxonomies list for variations.
    *
    * @param array $taxonomies
    *
    * @return array
    */
    add_filter( ‘woocommerce_single_variations_taxonomies’, ‘add_custom_taxonomies’, 10, 1 );
    function add_custom_taxonomies( $taxonomies ) {
    $taxonomies[] = ‘pwb-brand’;
    return $taxonomies;
    }

    this works for me with perfect brands for woocommerce.

  3. Stefan says:

    I added a custom taxonomy using JetEngine, and it seems that this solution doesn’t work with JetEngine.
    Besides, is there an option/possibility to display attributes that are not used for variations? Should they also be copied to the variation? And is there maybe a possibility of displaying all the metadata assigned to a variation (for debugging)?

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