Magento 2, add CMS block programmatically

Magento2addCMSblock.php

<?php
namespace Rbj\CmsBlockCreate\Model;
 
use Magento\Cms\Model\BlockFactory;
use Magento\Cms\Api\BlockRepositoryInterface;
use Magento\Framework\Api\SearchCriteriaBuilder;
 
class AddBlock
{
    protected $searchCriteriaBuilder;
 
    protected $blockRepository;
 
    protected $blockFactory;
 
    public function __construct(
        SearchCriteriaBuilder $searchCriteriaBuilder,
        BlockRepositoryInterface $blockRepository,
        BlockFactory $blockFactory
    ) {
        $this->searchCriteriaBuilder = $searchCriteriaBuilder;
        $this->blockRepository = $blockRepository;
        $this->blockFactory = $blockFactory;
    }
 
    public function updateBlock()
    {
       /** @var CoreCmsBlock $cmsBlock */
        $cmsBlock = $this->blockFactory->create();
 
        $data = [];
        $data['title'] = 'giftcard CMS Block';
        $data['identifier'] = 'giftcard';
        $data['content'] = 'giftcard long description';
        $data['_first_store_id'] = 0; // YOUR_STORE_ID
        $data['store_id'] = [0];
        $cmsBlock->setData($data);
        try {
            $newCms = $this->blockRepository->save($cmsBlock);
        } catch (\Magento\Framework\Exception\LocalizedException $exception) {
            throw $exception->getMessage();
        }
        return $newCms;
    }
}
// source https://www.rakeshjesadiya.com/create-cms-static-block-store-level-programmatically-in-magento-2/