I am providing a form to a user to create a product. I want to provide a few fields from a product type, along with some normal Form API input. Example, I only want them to specify the price and SKU. I want the submit handler to take care of creating the title name and any other fields. In this case, a product lives as product entities and as product display nodes. I want to present my user a single form to create and manage products.

I looks like I should be able to do this with the Field API, but I just see how to attached all fields from an entity. I just want to attach a few.

Am I able to do this with the Field API?


For example, when a user creates a new product, they will enter a 6 digit SKU. Each product will have that SKU, with another 3 digits appended, specifying a category. I want the user to simply enter the base SKU, like ABCDEF, select category Y and Z, and the submit handler creates the products with the correct SKUs, like ABCDEF-0001, ABCDEF-0002, and creates the node display. There are also specific fields of the product type, so I need the user to populate the fields for these products, using the WYSIWYG filter they would otherwise use on the product create form.

  • I think I want the widget of the field, and the ability to validate and collect the field values on submit.
    – vintorg
    Nov 24, 2013 at 3:46

2 Answers 2


I think you can certainly use field_attach_form. Take a look at the $options argument that is explained in more detail in the _field_invoke documentation. For more information you can also have a look at this issue: https://drupal.org/node/1825844

You can include any field of any bundle into any form using this approach:

field_attach_form('node', $entity, $form, $form_state, NULL, array(
  'field_name' => 'field_sku',

When I last used this approach I remember having passed a copy of the original form into field_attach_form() in order to prevent my original form from being modified to much. Then I have copied only field element into my original form:

$form_tmp = $form;
field_attach_form('node', $entity, $form_tmp, $form_state, NULL, array(
  'field_name' => 'field_sku'
$form['field_sku'] = $form_tmp['field_sku'];

Just look at the mentioned functions to see what they do. I'm not sure if this last part is needed.

And one more link to explore:

  • I can add multiple fields?
    – vintorg
    Nov 26, 2013 at 7:28
  • Yes, just call field_attach_form() several time.
    – berliner
    Nov 26, 2013 at 9:38
  • Just wanted to say thanks for this answer! Helped me immensely! Oct 7, 2015 at 15:11

I think you are looking for Inline Entity Form module

Provides a widget for inline management (creation, modification, removal) of referenced entities. The primary use case is the parent -> children one (product display -> products, order -> line items, etc.), where the child entities are never managed outside the parent form. Existing entities can also be referenced.

  • I need to present certain fields from the product display, and certain fields from the products, with their WYSIWYG filters. I don't think this module offers that.
    – vintorg
    Nov 24, 2013 at 17:45

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