Configure product attributes

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Product Attribute Entity Relationships

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.

Product Attribute Entity Relationships

@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.

Creating Attributes and their Values

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.

Product Attribute Creation

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:

Product Attribute Value Creation

Next, you will need to add the attribute to the product variation type. You can find these at /admin/commerce/config/product-variation-types and you just need to add/edit a product variation type that requires your new attribute.

Adding Product Attribute to Product Variation

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:

Example Product variation form

Adding fields to Attributes

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:


Locating list of attributes

Add a field as you would expect. Most fields are supported and will automatically show up when you go to add attribute values:

Example of attribute with more than one attribute

Editing Attributes

How do you edit the 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.

Optional Attributes

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...

Adding Product Attribute to Product Variation

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 these steps:

  1. Go to /admin/commerce/config/product-variation-types
  2. Click the drop down next to the variation type you want and click "manage fields"

    @todo image broken

  3. Un-select the "required" checkbox to make the attribute optional.

Un-select the required checkbox

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