osb/database/factories/ServiceFactory.php

<?php

namespace Database\Factories;

use App\Models\Service;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Factories\Factory;

class ServiceFactory extends Factory
{
	/**
	 * The name of the factory's corresponding model.
	 *
	 * @var string
	 */
	protected $model = Service::class;

	public function configure()
	{
		return $this->afterMaking(function (Service $service) {
			/*
			$product = factory(App\Models\Product::class)->make();
			$service->setRelation('product',$product);
			$service->product_id = $product->id;

			$account = factory(App\Models\Account::class)->make();
			$service->setRelation('account',$account);
			$service->account_id = $account->id;
			*/

		})->afterCreating(function (Service $service) {
			//
		});
	}

	/**
	 * Define the model's default state.
	 *
	 * @return array
	 */
	public function definition()
	{
		return [
			'id' => $this->faker->numberBetween(1,65535),
			// 'date_orig',
			// 'date_last',
			//* 'site_id',					// Needs to be passed in
			//* 'account_id'
			// 'account_billing_id'
			// 'product_id' =
			'active' => TRUE,
			'suspend_billing' => FALSE,
			'external_billing' => FALSE,
			'price' => 100,
			'price_group' => 1,
			// 'price_override',
			// 'taxable',
			// 'queue',
			'date_last_invoice' => Carbon::createFromFormat('Y-m-d','2021-01-01'),
			// 'date_next_invoice',
			// 'recur_schedule',
			// 'prod_attr',
			// 'date_start',
			// 'date_end',
			// 'orderedby_id',
			// 'order_status',
			// 'order_info',
			'model' => 'App\Models\Service\Adsl',
		];
	}
}