How to get related product collection in block

I use this way to get collection

/**  * Prepare and return product collection  *  * @return \Magento\Catalog\Model\ResourceModel\Product\Collection  */ public function createCollection() {     /** @var $  collection \Magento\Catalog\Model\ResourceModel\Product\Collection */     $  myBlock = \Magento\Framework\App\ObjectManager::getInstance()->get('AntonStudio\StockUpdate\Block\RelatedProducts');      $  currentProduct = $  myBlock->getCurrentProduct();     $  relatedProducts = $  currentProduct->getRelatedProductCollection();     /**      * Prevent retrieval of duplicate records. This may occur when multiselect product attribute matches      * several allowed values from condition simultaneously      */     $  relatedProducts->distinct(true);      return $  relatedProducts; } 

and used it in template

<?php if ( $  exist = ( $  block->getProductCollection() && $  block->getProductCollection()->getSize() ) ): ?>     <?php     $  type = 'widget-product-grid';      $  mode = 'grid';      $  image = 'new_products_content_widget_grid';     $  items = $  block->getProductCollection()->getItems();      $  showWishlist = true;     $  showCompare  = true;     $  showCart     = true;     $  templateType = \Magento\Catalog\Block\Product\ReviewRendererInterface::DEFAULT_VIEW;     $  description  = false;      $  objectManager = \Magento\Framework\App\ObjectManager::getInstance();      $  _helper      = $  this->helper( 'Magento\Catalog\Helper\Output' );     $  _imagehelper = $  this->helper( 'Magento\Catalog\Helper\Image' );     ?>      <div class="block widget block-products-list <?= /* @noEscape */     $  mode ?>">         <?php if ( $  block->getTitle() ): ?>             <div class="block-title">                 <strong><?= $  block->escapeHtml( __( $  block->getTitle() ) ) ?></strong>             </div>         <?php endif ?>         <div class="block-content">             <?= /* @noEscape */             '<!-- ' . $  image . '-->' ?>             <div class="home-products-<?= /* @noEscape */             $  mode ?> <?= /* @noEscape */             $  mode ?>">                 <ol class="home-product-items <?= /* @noEscape */                 $  type ?>">                     <?php $  iterator = 1; ?>                     <?php foreach ( $  items as $  _item ): ?>                         <?php                         $  _product = $  objectManager->get( 'Magento\Catalog\Model\Product' )->load( $  _item->getId() );                         $  all_data = $  _product->getData();                          $  imageUrl = $  _imagehelper->init( $  _item, 'product_thumbnail_image' )->resize(300, 300)->getUrl();                         ?>                          <?= /* @noEscape */                     ( $  iterator ++ == 1 ) ? '<li class="product-item">' : '</li><li class="product-item">' ?>                          <div class="ProductListItem">                             <a href="<?= $  block->escapeUrl($  block->getProductUrl($  _item)) ?>" class="ProductListItem__imageWrap">                                 <img src="<?= $  imageUrl ?>"                                      class="ProductListItem__productImage">                             </a>                             <div class="ProductListItem__summaryWrap"> <!--                                <div class="ProductListItem__productSize">--><?//= isset($  all_data['tile_length_mm'])?$  all_data['tile_length_mm']:'' . ' * ' . isset($  all_data['tile_width_mm'])?$  all_data['tile_width_mm']:'' ?><!--</div>-->                                 <a href="<?= $  block->escapeUrl($  block->getProductUrl($  _item)) ?>" class="ProductListItem__productTitle">title<?= $  block->escapeHtml( $  _item->getName() ) ?></a>                             </div>                             <div class="ProductListItem__addToCartWrap">                                 <div class="ProductListItem__price">                                     <?= $  block->getProductPriceHtml( $  _item, $  type ) ?>/M2                                 </div>                                 <div class="ProductListItem__addToCartIcon">                                     <?php if ($  this->helper('Magento\Wishlist\Helper\Data')->isAllow() && $  showWishlist): ?>                                         <a href="#"                                            data-post='<?= /* @noEscape */ $  block->getAddToWishlistParams($  _item) ?>' class="action towishlist" data-action="add-to-wishlist" title="<?= $  block->escapeHtmlAttr(__('Add to Wish List')) ?>">                                             <span><?= $  block->escapeHtml(__('Add to Wish List')) ?></span>                                         </a>                                     <?php endif; ?>                                 </div>                             </div>                         </div>                         <?= ( $  iterator == count( $  items ) + 1 ) ? '</li>' : '' ?>                     <?php endforeach ?>                 </ol>             </div>             <?= $  block->getPagerHtml() ?>         </div>     </div> <?php endif; ?> 

But “$ block->escapeHtml( $ _item->getName() )” out put null