SiteDataDefinition.php

<?php

namespace Drupal\rules\TypedData\Type;

use Drupal\Core\TypedData\ComplexDataDefinitionBase;
use Drupal\Core\TypedData\DataDefinition;

/**
 * A typed data definition class for describing global site information.
 */
class SiteDataDefinition extends ComplexDataDefinitionBase implements SiteDataDefinitionInterface {
    
    /**
     * {@inheritdoc}
     */
    public function getPropertyDefinitions() {
        if (!isset($this->propertyDefinitions)) {
            $this->propertyDefinitions['url'] = DataDefinition::create('uri')->setLabel('URL')
                ->setDescription("The URL of the site's front page.")
                ->setRequired(TRUE);
            $this->propertyDefinitions['login-url'] = DataDefinition::create('uri')->setLabel('Login page')
                ->setDescription("The URL of the site's login page.")
                ->setRequired(TRUE);
            $this->propertyDefinitions['name'] = DataDefinition::create('string')->setLabel('Name')
                ->setDescription('The name of the site.')
                ->setRequired(TRUE);
            $this->propertyDefinitions['slogan'] = DataDefinition::create('string')->setLabel('Slogan')
                ->setDescription('The slogan of the site.')
                ->setRequired(TRUE);
            $this->propertyDefinitions['mail'] = DataDefinition::create('email')->setLabel('Email')
                ->setDescription('The administrative email address for the site.')
                ->setRequired(TRUE);
        }
        return $this->propertyDefinitions;
    }

}