Siblings color
Metafield editor
Feature introduced in Broadcast 3.5
The first required metafield is theme.sibling_color
theme.sibling_colorThe 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:

Please ensure you change the Namespace and key to this custom version for Pipeline:
theme.siblings_color
By default, the namespace begins with custom. This will need to be changed to theme.
The content type is Single line text and the style is One value.
Next step
We require a second metafield to be defined:
Siblings collection