file/database/factories/Documents/PolicyDocumentFactory.php

<?php

namespace Database\Factories\Documents;

use App\Documents\ModelDocument;
use App\Documents\PolicyDocument;
use Illuminate\Database\Eloquent\Factories\Factory;

class PolicyDocumentFactory extends Factory
{
    protected $model = PolicyDocument::class;

    public function definition()
    {
        return [
            '_id' => app('nextId'),
            'name' => fake()->name,
            'labels' => fake()->name,
            'needs' => [],
        ];
    }
}