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Imagine you need to sell a DrupalCon t-shirt. This t-shirt comes in different sizes and colors. Each combination of size and color has its own SKU, so you know which color and size the customer has purchased and you can track exactly how many of each combination you have in stock.
@todo, the above is too technical for this guide section.
Color and size are product attributes. Blue and small are product attribute values, belonging to the mentioned attributes. The combination of attribute values (with a SKU and a price) is called a product variation. These variations are grouped inside a product.
For our t-shirt we need two attributes: color and size. Let's start by
creating the color attribute. Go to
admin/commerce/product-attributes and click the Add product attribute link.
After you have created the color attribute, we need to define at least one value. Normally we would simply say the color is "blue" or "red" but sometimes you might need to further define the attribute using fields. Adding fields is covered in detail later on in the documentation.
The product attribute values user interface allows creating and re-ordering multiple values at the same time and a very powerful translation capability:
Next, you will need to add the attribute to the product variation type.
You can find these at
and you just need to add/edit a product variation type that requires
your new attribute.
After you have added "Color" and the various colors your t-shirts are available in, the next step is to add that "color" attribute to our product. Store administrators can do this on the product variation type form, the checkbox in the last step automatically created entity referenced fields as needed:
Product attributes are so much more than a word. Often times they represent a differentiation between products that is useful to call out visually for customers. The fieldable attribute value lets the information architect decide what best describes this attribute. Like any other fieldable entity, you can locate the list of attribute bundles and click edit fields:
Add a field as you would expect. Most fields are supported and will automatically show up when you go to add attribute values:
Editing the attribute values is pretty easy. Simply locate the attribute
type that has the values you want to edit:
/admin/commerce/product-attributes And click "edit" and you will be
taken to a screen to edit all the attributes of that type.
After creating attributes, the product variation type needs to know that
it uses the attribute. The product variations are at
/admin/commerce/config/product-variation-types and once you've
clicked on the attribute you want...
Fields are added to the variation type that can then be modified. By
default, all attribute fields are required. If your attribute is
optional (perhaps some of the drupalcon t-shirts only come in blue),
then you can locate the manage fields of your particular product
variation type and make the
color attribute optional by following
Click the drop down next to the variation type you want and click "manage fields"
@todo image broken
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