1. Go to this page and download the library: Download lekoala/ss-gridfield-utils library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
lekoala / ss-gridfield-utils example snippets
$grid = new GridField('Tags', 'Tags', $this->Tags(), new GridFieldConfig);
$grid->getConfig()->addComponent($component = new HasOneSelector('MainTag', 'Select main tag'));
// Configure any public property...
$component->showResetButton = true;