createSimpleMailTemplate example

int $count = 500
    ): void {
        $context->getConsole()->progressStart($count);

        $criteria = new Criteria();
        $criteria->addFilter(new EqualsFilter('mail_template_type.mailTemplates.id', null));

        $mailTypeIds = $this->mailTemplateTypeRepository->search($criteria, $context->getContext())->getIds();

        $payload = [];
        foreach ($mailTypeIds as $mailTypeId) {
            $payload[] = $this->createSimpleMailTemplate($context, $mailTypeId);

            if (\count($payload) >= 10) {
                $context->getConsole()->progressAdvance(\count($payload));
                $this->write($payload, $context);
                $payload = [];
            }
        }

        if (!empty($payload)) {
            $this->write($payload, $context);
        }