Example of a custom Query Loop Pattern

latest-posts.php

<?php
/**
 * Title: Latest Posts
 * Slug: my-theme/latest-posts
 * Block types: core/post-content
 * Categories: featured, text
 */
?>
<!-- wp:query {"queryId":0,"query":{"perPage":3,"pages":0,"offset":0,"postType":"post","order":"desc","orderBy":"date","author":"","search":"","exclude":[],"sticky":"","inherit":false},"displayLayout":{"type":"flex","columns":3},"layout":{"contentSize":"800px"}} -->
<div class="wp-block-query"><!-- wp:post-template -->
<!-- wp:post-featured-image {"isLink":true,"height":"171px"} /-->

<!-- wp:post-title {"textAlign":"center","isLink":true,"style":{"elements":{"link":{"color":{"text":"var:preset|color|tertiary"}}},"typography":{"textTransform":"uppercase","fontStyle":"normal","fontWeight":"700"}},"fontSize":"size20"} /-->

<!-- wp:post-excerpt {"textAlign":"center","fontSize":"size18"} /-->
<!-- /wp:post-template -->

<!-- wp:query-no-results -->
<!-- wp:paragraph {"placeholder":"Add text or blocks that will display when the query returns no results."} -->
<p></p>
<!-- /wp:paragraph -->
<!-- /wp:query-no-results --></div>
<!-- /wp:query -->