withClientIdClassName code example

Example: withClientIdClassName

<div id="..." class="wp-block editor-block-list__block ???" data-type="my-blocks/column" tabindex="0" aria-label="Block: Single Column">
 <div>
      <div class="this-can-be-set-in-edit-or-attributes">
         ...
     </div>
 </div>

</div>