Product.Model.Prices.mapping.php

<?php

use Money\Money;
use Product\Model\Prices;

return [
    'orm' => [
        Prices::class => [
            'type' => 'embeddedDocument',
            'embedOne' => [
                [
                    'fieldName' => 'price',
                    'targetDocument' => Money::class
                ],
                [
                    'fieldName' => 'supplierPrice',
                    'targetDocument' => Money::class
                ],
                [
                    'fieldName' => 'suggestedPrice',
                    'targetDocument' => Money::class
                ],
            ]
        ]
    ]
];

Product.Model.Video.mapping.php

<?php

use Doctrine\ODM\MongoDB\Types\Type;
use Product\Model\Video;

return [
    'odm' => [
        Video::class => [
            'type' => 'embeddedDocument',
            'fields' => [
                [
                    'type' => Type::STRING,
                    'fieldName' => 'url',
                ],
            ],
        ]
    ]
];