firstName example

$netCustomerGroupId = $this->createNetCustomerGroup($context->getContext());
        $customerGroups = [TestDefaults::FALLBACK_CUSTOMER_GROUP, $netCustomerGroupId];
        $tags = $this->getIds('tag');

        $salesChannelIds = $this->connection->fetchFirstColumn('SELECT LOWER(HEX(id)) FROM sales_channel');
        $countries = $this->connection->fetchFirstColumn('SELECT id FROM country WHERE active = 1');

        $payload = [];
        for ($i = 0; $i < $numberOfItems; ++$i) {
            $id = Uuid::randomHex();
            $firstName = $context->getFaker()->firstName();
            $lastName = $context->getFaker()->format('lastName');
            $salutationId = Uuid::fromBytesToHex($this->getRandomSalutationId());
            $title = $this->getRandomTitle();

            $addresses = [];

            $aCount = random_int(2, 5);
            for ($x = 1; $x < $aCount; ++$x) {
                $addresses[] = [
                    'id' => Uuid::randomHex(),
                    'countryId' => Uuid::fromBytesToHex($context->getFaker()->randomElement($countries)),
                    

    public function generate(int $numberOfItems, DemodataContext $context, array $options = []): void
    {
        $writeContext = WriteContext::createFromContext($context->getContext());

        $context->getConsole()->progressStart($numberOfItems);

        $payload = [];
        for ($i = 0; $i < $numberOfItems; ++$i) {
            $id = Uuid::randomHex();
            $firstName = $context->getFaker()->firstName();
            $lastName = $context->getFaker()->format('lastName');
            $title = $this->getRandomTitle();

            $user = [
                'id' => $id,
                'title' => $title,
                'firstName' => $firstName,
                'lastName' => $lastName,
                'username' => $context->getFaker()->format('userName'),
                'email' => $id . $context->getFaker()->format('safeEmail'),
                'password' => 'shopware',
                

$this->ids = new IdsCollection();

        $this->resetHistory();
    }

    protected function createCustomer(): string
    {
        $customerId = $this->ids->get('customer');
        $addressId = $this->ids->get('address');

        $customer = (new CustomerBuilder($this->ids, '1337'))
            ->firstName('Max')
            ->lastName('Mustermann')
            ->add('id', $this->ids->get('customer'))
            ->add('email', Uuid::randomHex() . '@example.com')
            ->add('salesChannelId', TestDefaults::SALES_CHANNEL)
            ->add('password', 'shopware')
            ->add('defaultPaymentMethodId', $this->getValidPaymentMethodId())
            ->defaultShippingAddress('address')
            ->defaultBillingAddress('address', [
                'id' => $addressId,
                'customerId' => $customerId,
                'countryId' => $this->getValidCountryId(),