<?php
namespace Gutenberg_Courses\Example_Blocks;
add_action( 'init', __NAMESPACE__ . '\register_meta_fields' );
/**
* Registering meta fields for block attributes that use meta storage
*/
function register_meta_fields() {
register_meta(
'post',
'themepunchblocks_gb_metabox',
[
'type' => 'string',
'single' => true,
'show_in_rest' => true,
] );
}