EAV Attribute I tried to add an EAV attribut [http://www.magentocommerce.com/knowledge-base/entry/magento-for-dev-part-7-advanced-orm-entity-attribute-value] , set a default value and that without using a source model, set this options: $this->addAttribute('customer', 'customer_type', array( 'type' => 'int' 'option&