dolibarr-api-bundle/config/definition.php

<?php

use Symfony\Component\Config\Definition\Configurator\DefinitionConfigurator;

return static function (DefinitionConfigurator $definition): void {
    $definition->rootNode()
        ->children()
            ->scalarNode(name: 'baseUri')
                ->isRequired()
                ->cannotBeEmpty()
                ->example(example: 'http://localhost')
            ->end()
            ->scalarNode(name: 'token')
                ->isRequired()
                ->cannotBeEmpty()
                ->example(example: 'your-secret-api-token')
            ->end()
            ->booleanNode(name: 'verifyHttps')
                ->defaultTrue()
            ->end()
        ->end()
    ;
};