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Create Custom Entities

A custom entity is an entity that has no PHP class in any bundle. The definition of such an entity is created automatically in the Symfony cache. To create a custom entity, you can use ExtendExtension, as illustrated below:

namespace Acme\Bundle\TestBundle\Migrations\Schema\v1_0;

use Doctrine\DBAL\Schema\Schema;
use Oro\Bundle\EntityExtendBundle\Migration\Extension\ExtendExtension;
use Oro\Bundle\EntityExtendBundle\Migration\Extension\ExtendExtensionAwareInterface;
use Oro\Bundle\EntityExtendBundle\EntityConfig\ExtendScope;
use Oro\Bundle\MigrationBundle\Migration\Migration;
use Oro\Bundle\MigrationBundle\Migration\QueryBag;

class AcmeTestBundle implements Migration, ExtendExtensionAwareInterface
    protected $extendExtension;

    public function setExtendExtension(ExtendExtension $extendExtension)
        $this->extendExtension = $extendExtension;

    public function up(Schema $schema, QueryBag $queries)
        $table = $this->extendExtension->createCustomEntityTable(
                'length' => 100,
                'oro_options' => [
                    'extend'  => ['owner' => ExtendScope::OWNER_CUSTOM],

Adding fields and relationships to custom entities is the same as for extended entities. For details, see Add Entity Fields and Add Entity Relationships.