register new type

<?php

namespace OverrideBundle;

use Doctrine\ODM\MongoDB\Types\Type;
use Symfony\Component\HttpKernel\Bundle\Bundle;

class OverrideBundle extends Bundle
{
    public function __construct()
    {
        // Registering custom types
        Type::registerType('coordinates', 'OverrideBundle\Doctrine\Mongo\Type\CoordinatesType');
    }
}