Feature introduced in Broadcast v3.5

There are two product metafields definitions required to connect each of the products together and generate linked swatches.

Use the metafields editor under Settings in the Shopify Admin:

Both metafields will be defined under the category of Products:

Next, create these two metafields:

Feature introduced in Broadcast 3.5

The first required metafield is theme.sibling_color

theme.sibling_color

The content type is: Single line text and One value.

This metafield is used for both the swatch label for the product which helps with identifying the color version of the current product:

Start by defining a Products metafield and name it Sibling Color. Then change the Namespace from custom to theme:

Next, add a description. You can use Siblings Color again. Then click on Select content type and choose Single line text and One value:

Save the definition.

Check the saved metafield

Your final metafield should look like this:

The content type is Single line text and style is One value.

Next step

We require a second metafield to be defined:

Feature introduced in Broadcast 3.5

The second required metafield is theme.siblings

theme.siblings

The content type is: Single line text and One value.

This metafield maps each product to the correct collection handle for the siblings.

Start by defining a Products metafield and name it Siblings. Then change the Namespace from custom to theme and the key to simply siblings.

Next, add a description. You can name this one Collection handle for siblings. Then click on Select content type and choose Single line text and One value:

Save the definition.

Check the saved metafield

Your second metafield should look like this:

Product setup

Next, we will use these newly defined metafields in the Product Setup for each product: