1. Go to this page and download the library: Download datomatic/nova-icon-field 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/ */
NovaIconField::make('Icon')->only([
'solid', // enables all the icons with style `solid` or name `solid`
['style' => 'solid'], // enable all the icons with style `solid`
['icon' => 'arrow-up'], // enable all the icons with name `arrow-up`
'solid arrow-down', // enables the icon with style `solid` and name `arrow-down`
['style' => 'solid', 'icon' => 'arrow-down'], // enables the icon with style `solid` and name `arrow-down`
])